| {"item_id": "ITEM-AERO-T4-000061", "context": "在限定接头区域内恢复连续可靠的载荷传递", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000062", "context": "验证拼接后强度、刚度和气动外形等效于原结构", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000063", "context": "在保留未损伤翼梁主体的同时恢复局部承载", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000064", "context": "验证修理件、胶合块和连接长度能恢复木肋功能", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000065", "context": "从图示备选中选择与实际损伤部位匹配且保持载荷路径的修订", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000066", "context": "选择满足开口尺寸、位置和速度条件的修补配置", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000067", "context": "选择与层板受损深度一致的最小充分修理", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000068", "context": "限定在损伤周边形成逐层退台并重建层板", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000069", "context": "在不伤及完好面板的前提下恢复夹芯支承", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000070", "context": "验证 replacement plug 与面板修复是否形成连续夹层", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000071", "context": "在允许修理的区域内终止裂纹并恢复表面连续", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000072", "context": "验证补片铆钉布局满足图示最小几何并均匀传力", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000073", "context": "在不扩大原孔或损伤母材的条件下恢复合格铆接", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000074", "context": "验证内/外套管、孔列和损伤去除范围的组合", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000075", "context": "只在受损跨段内恢复 capstrip 和腹板边缘连接", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000076", "context": "在保持原截面重心和外形的条件下跨接损伤", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000077", "context": "验证图示加强角材、填片和紧固件能跨越裂纹并保留接头功能", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000078", "context": "验证扩孔衬套或经批准的加大紧固方案能恢复圆孔承压", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000079", "context": "在端点不变的范围内重排软管与接头，消除应变并保持最小弯曲半径", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000080", "context": "验证图示错开 splice 的修订是否降低线束拥塞", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000081", "context": "在不削弱主结构的条件下选择独立、加固或直接安装布局", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000082", "context": "验证图示减振器布置和安装基座能限制运动并传递极限载荷", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000083", "context": "验证 shelf、brace 和 clamp detail 是否把载荷导入主框架", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000084", "context": "验证 saddle、垫片与紧固布局是否形成稳定天线安装面", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000085", "context": "在天线位置不变的前提下增加规定范围的导电 ground plane", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000086", "context": "验证 bonding strap/导电层和螺钉衬套的组合是否满足安装要求", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000087", "context": "验证托架、绑带、地板加强和定位能约束瓶体", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000088", "context": "验证图示供氧路径和元件位置能提供受控供氧且便于隔离维护", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000089", "context": "验证主/应急释放、arming 和吊索路径是否构成可控且不误释放的系统", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000090", "context": "在座椅位置不变时把肩带锚点和带路移入来源允许区域", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000091", "context": "在锚点局部增加载荷扩散结构而不改变主要舱体几何", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000092", "context": "验证托盘、固定杆、端子防护和结构连接是否满足改装目标", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000093", "context": "验证 ram-air inlet、排气和容器密封构成连续通风路径", "candidate_revisions": []} |
| {"item_id": "ITEM-AERO-T4-000094", "context": "验证 ring、pin 或 stud fitting 周围的芯材增强和面板夹持", "candidate_revisions": []} |
| {"item_id": "ITEM-AUTO-T4-000201", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000202", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000203", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000204", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000205", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000206", "context": "Use the depicted inspection findings and only the conditions in the verified source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000207", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000208", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000209", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000210", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000211", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000212", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000213", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000214", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000215", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000216", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000217", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000218", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000219", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000220", "context": "Use only the depicted automotive state and the conditions stated in the source question.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-ELEC-T4-000001", "context": "完整移除元件且不损伤焊盘", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000002", "context": "先建立可控且安全的返修设置", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000003", "context": "稳定 PCB 且保持目标区可达", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000004", "context": "只在目标引脚改善润湿", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000005", "context": "移除焊料而不拉伤焊盘", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000006", "context": "让封装引脚编号与 PCB 网络一一对应", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000007", "context": "在固定前完成四边几何对齐", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000008", "context": "先建立一个可复查的临时定位点", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000009", "context": "形成彼此独立且连续的引脚焊点", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000010", "context": "在进入后续工序前发现几何与连接缺陷", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000011", "context": "精确放置目标器件并保持邻件不动", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000012", "context": "在加热前锁定精细几何位置", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000014", "context": "把热量集中在目标封装并限制邻件受热", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000015", "context": "只处理目标封装区域", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000016", "context": "让封装各边焊料均匀熔化", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000017", "context": "在保持焊盘完整的前提下移除器件", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000018", "context": "建立覆盖封装多侧的受控热区", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000019", "context": "恢复可检查、可再贴装的洁净表面", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000020", "context": "受控抽除焊料且限制邻件热积累", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000021", "context": "局部恢复原网络而不短接邻近走线", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000022", "context": "恢复与原走线同一网络的连续导电路径", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000023", "context": "先建立可受控抽吸的熔融焊料界面", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000024", "context": "完整抽空接头并同步冷却引线和孔壁", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000025", "context": "在取件前逐点确认全部引线释放", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000026", "context": "只在规定区域恢复连续涂层", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000027", "context": "完整剥离目标区涂层而不扩大损伤", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000028", "context": "先建立 ESD 与洁净条件再施涂", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000029", "context": "只恢复规定局部区域并保持周边接口可用", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000030", "context": "验证 19 条映射连续且无交叉短接", "candidate_revisions": []} |
| {"item_id": "ITEM-ELEC-T4-000031", "context": "仅修改图中标出的两处 PCB 铜箔故障，并使原双稳态电路恢复可用。", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000001", "context": "验证给定修改是否完整解决“开敞接线箱同时存在接线、盖板和管理控制缺陷”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只安装箱盖，不纠正箱内接线，也不建立安装培训和保持箱盖关闭的程序"]} |
| {"item_id": "ITEM-ENERGY-T4-000002", "context": "验证给定修改是否完整解决“手持锯作业同时存在工具、接地、现场整理、培训和PPE/防坠缺陷”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只确认手持锯有接地，其他状态保持不变"]} |
| {"item_id": "ITEM-ENERGY-T4-000003", "context": "验证给定修改是否完整解决“电路箱缺盖、缺锁并伴随现场整理和电气安全程序不足”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只安装电路箱盖板"]} |
| {"item_id": "ITEM-ENERGY-T4-000004", "context": "验证给定修改是否完整解决“室外装置同时存在面板、临时接线、线缆状态、环境适用性、接地和GFCI缺陷”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只安装面板面盖"]} |
| {"item_id": "ITEM-ENERGY-T4-000005", "context": "验证给定修改是否完整解决“带电箱体作业同时缺少手套、合适工具、隔离和可靠作业面”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只给作业人员增加防护手套"]} |
| {"item_id": "ITEM-ENERGY-T4-000006", "context": "验证给定修改是否完整解决“软电缆主绝缘割裂且内层导线暴露”，且不遗漏来源明确的其他风险", "candidate_revisions": ["在割裂处快速缠绕电工胶带后继续使用"]} |
| {"item_id": "ITEM-ENERGY-T4-000007", "context": "验证给定修改是否完整解决“接线未置于封闭盒内且有松动线帽/裸露导体”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只加装封闭盒，但不纠正松动线帽和裸露导体"]} |
| {"item_id": "ITEM-ENERGY-T4-000008", "context": "恢复架空线最小安全距离并消除图示接近危险", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000009", "context": "验证给定修改是否完整解决“手持砂光机导线外露”，且不遗漏来源明确的其他风险", "candidate_revisions": ["仅在外露处缠电工胶带后继续使用砂光机"]} |
| {"item_id": "ITEM-ENERGY-T4-000010", "context": "消除可触及的带电部件", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000011", "context": "满足来源给出的架空线最小安全距离", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000012", "context": "验证给定修改是否完整解决“金属围栏顶轨在架空线下方竖起”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只增加一次安全培训，但线路仍带电且顶轨作业区未隔离/未保持距离"]} |
| {"item_id": "ITEM-ENERGY-T4-000013", "context": "验证给定修改是否完整解决“延长线绝缘破损”，且不遗漏来源明确的其他风险", "candidate_revisions": ["仅用胶带包住破损处并继续使用"]} |
| {"item_id": "ITEM-ENERGY-T4-000014", "context": "验证给定修改是否完整解决“回路过载”，且不遗漏来源明确的其他风险", "candidate_revisions": ["把20 A回路的保护装置改成30 A，但不更换导线也不减少负载"]} |
| {"item_id": "ITEM-ENERGY-T4-000015", "context": "设备不再存在来源所述过热和火灾风险", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000016", "context": "验证给定修改是否完整解决“277 V照明回路作业前未锁定挂牌和验电”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只把墙上开关置于OFF后开始接线，不执行锁定挂牌也不测试导线"]} |
| {"item_id": "ITEM-ENERGY-T4-000017", "context": "验证给定修改是否完整解决“三脚插头的保护接地插脚缺失”，且不遗漏来源明确的其他风险", "candidate_revisions": ["去掉剩余接地结构并把它作为两脚插头继续使用"]} |
| {"item_id": "ITEM-ENERGY-T4-000018", "context": "验证给定修改是否完整解决“软电缆中部以线帽拼接”，且不遗漏来源明确的其他风险", "candidate_revisions": ["保留线帽拼接，只在外部再缠胶带"]} |
| {"item_id": "ITEM-ENERGY-T4-000019", "context": "验证给定修改是否完整解决“开敞带电面板上直接作业”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只把普通工具换成绝缘手柄工具，但保持回路带电且不锁定挂牌"]} |
| {"item_id": "ITEM-ENERGY-T4-000020", "context": "验证给定修改是否完整解决“断路器触头因压力过大而开裂并在故障开断时汽化”，且不遗漏来源明确的其他风险", "candidate_revisions": ["进一步增大触头压力，以期改善接触"]} |
| {"item_id": "ITEM-ENERGY-T4-000021", "context": "开关能够可靠分合且异常热点消失", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000022", "context": "验证给定修改是否完整解决“断路器一相触头熔焊，无法分断”，且不遗漏来源明确的其他风险", "candidate_revisions": ["保留熔焊触头，改为依赖上游断路器在故障时切除"]} |
| {"item_id": "ITEM-ENERGY-T4-000023", "context": "验证给定修改是否完整解决“熔断器组热像中最热点并不一定是主故障”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只更换热像中最亮的熔断器，不检查顶部熔断器和中间相"]} |
| {"item_id": "ITEM-ENERGY-T4-000024", "context": "消除图示丝状漏风热模式并恢复有效输送", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000025", "context": "联轴器两侧恢复可接受且对称的运行热状态", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000026", "context": "验证给定修改是否完整解决“并联电流路径使热侧可能正常、冷侧反而是实际故障”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只修理图中较热一侧，不检查较冷支路的导通状态"]} |
| {"item_id": "ITEM-ENERGY-T4-000027", "context": "消除与缺失保温对应的异常暖区并降低热损失", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000028", "context": "皮带无托盘摩擦且驱动电动机恢复正常热状态", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000029", "context": "图示局部热逸散显著降低", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000030", "context": "异常热点消失且控制连接保持可靠", "candidate_revisions": []} |
| {"item_id": "ITEM-MECH-T4-000001", "context": "weld-line fracture", "candidate_revisions": ["reduce four gates to one without relocating it"]} |
| {"item_id": "ITEM-MECH-T4-000002", "context": "connector fracture", "candidate_revisions": ["increase connector thickness tenfold"]} |
| {"item_id": "ITEM-MECH-T4-000003", "context": "alternative process feasibility", "candidate_revisions": ["replace injection molding with thermoforming"]} |
| {"item_id": "ITEM-MECH-T4-000004", "context": "gain cavity space without losing bending stiffness", "candidate_revisions": ["replace 3 mm aluminum with 2 mm Ti-6Al-4V"]} |
| {"item_id": "ITEM-MECH-T4-000005", "context": "insufficient beam stiffness", "candidate_revisions": ["replace die-cast aluminum with stainless steel without changing geometry"]} |
| {"item_id": "ITEM-MECH-T4-000006", "context": "评价把图示阀门手柄从现有铸造工艺改为熔模铸造；说明有依据的优点、缺点和最终建议。", "candidate_revisions": ["replace the current casting process with investment casting"]} |
| {"item_id": "ITEM-MECH-T4-000007", "context": "improve dynamic performance of the high-speed bond arm", "candidate_revisions": ["replace the open metal H/U section with a fully enclosed CFRP tube"]} |
| {"item_id": "ITEM-MECH-T4-000008", "context": "transmit engine torque to the rear wheels with low mass", "candidate_revisions": ["replace a conventional shaft-based rear driveline with the pictured chain drive"]} |
| {"item_id": "ITEM-MECH-T4-000009", "context": "lead time and fine-feature quality", "candidate_revisions": ["replace direct SLM with SLA wax patterns plus investment casting"]} |
| {"item_id": "ITEM-MECH-T4-000010", "context": "weak weld line between two edge-gate flow fronts", "candidate_revisions": ["raise melt temperature and optionally injection pressure"]} |
| {"item_id": "ITEM-MECH-T4-000011", "context": "flow symmetry without marks on mating surfaces", "candidate_revisions": ["choose one central gate or two symmetric gates"]} |
| {"item_id": "ITEM-MECH-T4-000012", "context": "厚薄突变造成不均匀传热和流动，多路汇交增加冷隔风险", "candidate_revisions": ["使壁厚更均匀，并在下组避免多个截面在同一点汇交"]} |
| {"item_id": "ITEM-MECH-T4-000013", "context": "机加工瓶颈及其波动限制下游供料", "candidate_revisions": ["把唯一缓冲紧邻瓶颈下游布置"]} |
| {"item_id": "ITEM-MECH-T4-000014", "context": "瓶颈因上游波动而空闲", "candidate_revisions": ["将唯一缓冲放在瓶颈磨削工位之前"]} |
| {"item_id": "ITEM-MECH-T4-000015", "context": "磨削1.13件/小时为瓶颈", "candidate_revisions": ["在原一台基础上新增4台相同磨削机"]} |
| {"item_id": "ITEM-MECH-T4-000016", "context": "轮胎单侧过度磨损", "candidate_revisions": ["恢复正确外倾角"]} |
| {"item_id": "ITEM-MECH-T4-000017", "context": "满足弯曲疲劳强度并兼顾传动品质与制造成本", "candidate_revisions": ["排除弯曲疲劳强度不足的(a)，并在合格的(b)(c)中选齿数较多、模数较小的(b)"]} |
| {"item_id": "ITEM-MEP-T4-000001", "context": "恢复正常启停且保留图示顺序控制逻辑", "candidate_revisions": ["更换/修复MC1 N/O1，使其仅在MC1线圈带电时闭合并能可靠释放"]} |
| {"item_id": "ITEM-MEP-T4-000002", "context": "恢复输出自锁而不改变停止/过载控制", "candidate_revisions": ["按图示预期逻辑修正A—B支路，使输出辅助触点形成与启动按钮并联的保持路径"]} |
| {"item_id": "ITEM-MEP-T4-000003", "context": "恢复第二级启动授权且保留两级顺序", "candidate_revisions": ["修复MC2 N/O1，使其不再永久闭合并按正常接触器状态动作"]} |
| {"item_id": "ITEM-MEP-T4-000004", "context": "阻止意外再启动并保留正常正转启停", "candidate_revisions": ["更换粘连的MC1 N/O触点并验证其在MC1失电时断开"]} |
| {"item_id": "ITEM-MEP-T4-000005", "context": "把电动机恢复到可安全通电的绝缘状态", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000006", "context": "恢复启动能力同时保留停止按钮的失电安全功能", "candidate_revisions": ["更换/修复停止按钮，使其正常状态闭合、按下时断开"]} |
| {"item_id": "ITEM-MEP-T4-000007", "context": "恢复持续运行且保留停止控制", "candidate_revisions": ["修复MC1 N/O，使MC1带电后该触点可靠闭合、失电后断开"]} |
| {"item_id": "ITEM-MEP-T4-000008", "context": "阻止电动机2无命令延时启动且保留正常顺序", "candidate_revisions": ["修复MC1 N/O2使其仅在MC1吸合后闭合"]} |
| {"item_id": "ITEM-MEP-T4-000009", "context": "使试压布置满足原题规范并通过监理验收", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000010", "context": "保护弹簧支座并使试验/轴系复找状态可验证", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000011", "context": "使转换支架拼接尺寸满足原题安装要求", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000012", "context": "使垫铁布置达到官方给出的安装尺寸范围", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000013", "context": "使排烟风机安装满足原题防排烟要求且不遗留火灾安全缺陷", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000014", "context": "恢复气体管道取源位置的规范顺序", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000015", "context": "完成防火分隔处的全部局部整改", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000016", "context": "使母线槽支撑系统达到原题规范并可复验", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000017", "context": "恢复每个插座的可靠极性与保护接地", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000018", "context": "清除已定位堵塞并用原题方法确认排水恢复", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000019", "context": "消除触电路径并恢复可接受的软电缆状态", "candidate_revisions": ["报废并更换整根损坏电缆，而不是仅缠电工胶带"]} |
| {"item_id": "ITEM-MEP-T4-000020", "context": "封闭带电连接且不制造新裸露点", "candidate_revisions": ["把全部接线和线帽完整置于合格封闭盒内并固定盖板"]} |
| {"item_id": "ITEM-MEP-T4-000021", "context": "恢复架空线安全间距并保持吊装不接触线路", "candidate_revisions": ["重新定位起重机/吊装作业，使任何部位与线路保持至少10英尺"]} |
| {"item_id": "ITEM-MEP-T4-000022", "context": "判断单一固定梯子修改能否成为最终方案", "candidate_revisions": ["仅把现有梯子固定，其余图示状态不变"]} |
| {"item_id": "ITEM-MEP-T4-000023", "context": "验证仅排水是否完整解决失稳风险", "candidate_revisions": ["增设合适排水系统，但不处理已出现的边坡坍塌迹象"]} |
| {"item_id": "ITEM-MEP-T4-000024", "context": "验证只提高沟槽箱是否覆盖全部风险", "candidate_revisions": ["仅把沟槽箱提高到合适高度，不改变左侧不稳定土体和起重机行驶安排"]} |
| {"item_id": "ITEM-MEP-T4-000025", "context": "验证移开吊载下人员的修改是否完整", "candidate_revisions": ["把沟槽内人员移出吊载路径，但其余图示状态不变"]} |
| {"item_id": "ITEM-MEP-T4-000026", "context": "验证仅增加个人防坠系统的完整性", "candidate_revisions": ["为人员配置并正确连接个人防坠系统，但不改变材料和其他PPE状态"]} |
| {"item_id": "ITEM-MEP-T4-000027", "context": "验证换用高空作业平台但不补充PPE/作业控制是否足够", "candidate_revisions": ["停止站在人字梯顶部并改用适合的高空作业平台，但不补充安全帽或监护措施"]} |
| {"item_id": "ITEM-MEP-T4-000028", "context": "验证增加安全支架是否闭合所有风险", "candidate_revisions": ["增加合格安全支架和额外固定，但人员仍处于图示近距离且无头部防护"]} |
| {"item_id": "ITEM-MEP-T4-000029", "context": "恢复可靠吊装并避免坠物及气瓶次生风险", "candidate_revisions": ["采用与吊点正确啮合的合格吊钩和正确起吊方式，并清空吊物下方区域"]} |
| {"item_id": "ITEM-MEP-T4-000030", "context": "提高人员可见性并降低车辆撞击风险", "candidate_revisions": ["为人员配置合格高可视服装，并把其作业位置安排在驾驶员可见区域"]} |
| {"item_id": "ITEM-ROBO-T4-000001", "context": "图中两车轮径、电机和左右轮驱动方式相同，但轴距不同。哪一辆更容易转向，为什么？", "candidate_revisions": ["缩短前后轮接地点间距"]} |
| {"item_id": "ITEM-ROBO-T4-000002", "context": "两组齿轮传动的输入转速相同、输出轮径相同。比较图5和图6，哪一组使车辆输出更快？", "candidate_revisions": ["采用图5所示传动级组合"]} |
| {"item_id": "ITEM-ROBO-T4-000003", "context": "图中给出两个差异很大的候选机器人。能否仅凭外观判定哪一个“最优”？评价该比较缺失的关键条件。", "candidate_revisions": ["补充明确的任务目标和评价指标"]} |
| {"item_id": "ITEM-ROBO-T4-000004", "context": "图中两车重量和车轮相同。仅比较倾覆临界角，A、B 哪个更好？说明几何依据。", "candidate_revisions": ["不因外形宽高表象改变结论"]} |
| {"item_id": "ITEM-ROBO-T4-000005", "context": "比较图中轮式车辆1与履带式车辆2，各给出一个来源支持的优点和缺点。", "candidate_revisions": ["在轮式与履带式底盘之间取舍"]} |
| {"item_id": "ITEM-ROBO-T4-000006", "context": "对图示并联 SCARA 与尺度相当的串联 SCARA 进行比较：并联方案的主要收益和代价是什么？", "candidate_revisions": ["由串联链改为图示并联闭链"]} |
| {"item_id": "ITEM-ROBO-T4-000007", "context": "图2-14用于一个要求‘伸出阶段减速、到位后仍快速返回’的工位。比较 A. 直接按 SB2 与 B. 先锁定 SB3 再按 SB2，应选哪种操作？说明两种模式的伸出速度差异及 B1 动作后的返回过程。", "candidate_revisions": ["使2YA参与伸出阶段的节流支路，气缸由快进改为慢进"]} |
| {"item_id": "ITEM-ROBO-T4-000008", "context": "在图示 A、B、C 三种液压缸布置中，选择能抬高机器人割草机主体、从而升高刀片的方案，并说明淘汰另外两项的机理。", "candidate_revisions": ["选择Option B"]} |
| {"item_id": "ITEM-ROBO-T4-000009", "context": "针对图示沿埋线行驶的机器人割草机，在模拟量输入与简单数字开关输入之间选择一种，并用图中信号—距离关系说明理由。", "candidate_revisions": ["选择模拟量输入"]} |
| {"item_id": "ITEM-ROBO-T4-000010", "context": "评价把图中R1改为14 kΩ或更小是否能修正5 V异常，并给出机理。", "candidate_revisions": ["结论为该修改有效"]} |
| {"item_id": "ITEM-ROBO-T4-000011", "context": "评价用额定电压高于34 V的电容替换图中5 V额定C1，是否为必要且有效的修改。", "candidate_revisions": ["原5 V耐压不足"]} |
| {"item_id": "ITEM-ROBO-T4-000012", "context": "在图示校园充电棚供电方案中，评价“把长延长线埋入地下导管”这一修改能否控制已识别的安全风险。", "candidate_revisions": ["地下导管方案有效"]} |
| {"item_id": "ITEM-ROBO-T4-000013", "context": "供电到棚屋的功率不足时，评价改用更大直径导线是否能提高传输效率，并说明机理。", "candidate_revisions": ["选择增大导线直径"]} |
| {"item_id": "ITEM-ROBO-T4-000014", "context": "图示充电电路中大电流可能烧毁Q1、Q2。评价增加散热片或小风扇能否保持晶体管工作。", "candidate_revisions": ["增加散热片或小风扇"]} |
| {"item_id": "ITEM-ROBO-T4-000015", "context": "BD649缺货时，从图中表格选择最合适的替代晶体管，并说明极性、电流和功率约束。", "candidate_revisions": ["选择4号MJE3055"]} |
| {"item_id": "ITEM-ROBO-T4-000016", "context": "2.2 kΩ电阻不可用时，评价用图中备选电阻构成串联替代的方案。", "candidate_revisions": ["选用1 kΩ和1.2 kΩ"]} |
| {"item_id": "ITEM-ROBO-T4-000017", "context": "从图中备选件选择两只电阻并联，得到最接近2.2 kΩ的替代值。", "candidate_revisions": ["选用3.3 kΩ与6.8 kΩ"]} |
| {"item_id": "ITEM-ROBO-T4-000018", "context": "图中要求增大A、B间电容且不得拆除C3。评价增加一只电容的正确接法。", "candidate_revisions": ["保留C3"]} |
| {"item_id": "ITEM-ROBO-T4-000019", "context": "图示洗衣机滑动支座为铝制且经常磨损。评价把支座改为青铜轴承或滚动轴承的修改。", "candidate_revisions": ["青铜轴承或滚动轴承方案有效"]} |
| {"item_id": "ITEM-ROBO-T4-000020", "context": "图中100 μF的C1损坏，仅有50 μF和200 μF电容。评价两种可实现100 μF等效值的接法。", "candidate_revisions": ["两只50 μF并联得到100 μF"]} |
| {"item_id": "ITEM-ROBO-T4-000021", "context": "候选程序按桌位2→桌位1→桌位3配送，且到2楼桌位2时直接发布桌位目标点、不执行梯控。评价该修改是否满足图示官方任务。", "candidate_revisions": ["判定候选程序无效"]} |
| {"item_id": "ITEM-ROBO-T4-000022", "context": "候选修改是在导航启动后跳过初始位姿校准，直接发送目标点。根据图示验收要求评价其有效性。", "candidate_revisions": ["判定跳过校准无效"]} |
| {"item_id": "ITEM-ROBO-T4-000023", "context": "候选实现把“灯太亮了”只映射为关闭灯，并不改变亮度或色温。评价该修改是否满足官方客房联动要求。", "candidate_revisions": ["判定直接关灯不满足要求"]} |
| {"item_id": "ITEM-ROBO-T4-000024", "context": "评价把气缸作用点设在距支点240 mm、载荷点距支点80 mm的候选叉臂方案。", "candidate_revisions": ["判定方案有效"]} |
| {"item_id": "ITEM-ROBO-T4-000025", "context": "评价在气缸杆端采用带销轴的叉耳接头并配置轴承的候选修改。", "candidate_revisions": ["判定修改有效"]} |
| {"item_id": "ITEM-ROBO-T4-000026", "context": "候选流程在距离小于150 mm时出杆并计数，但不读取控制器按钮，固定延时后自动回缩。评价是否满足要求。", "candidate_revisions": ["判定方案不完全有效"]} |
| {"item_id": "ITEM-ROBO-T4-000027", "context": "评价“3 mm铝板激光/CNC切割与冲孔—在折弯模/夹具中成形—TIG焊接或用铝铆钉连接上下壳体”的批量制造方案。", "candidate_revisions": ["切割和冲孔工艺适合3 mm铝板"]} |
| {"item_id": "ITEM-ROBO-T4-000028", "context": "评价“在往复轴端设置齿条并与刷毛轴小齿轮啮合”的候选修改能否得到所需摆动。", "candidate_revisions": ["判定方案有效"]} |
| {"item_id": "ITEM-ROBO-T4-000029", "context": "候选方案在不增加包覆设备和粘结质量检查的情况下直接把TPE软层加入量产。评价其有效性。", "candidate_revisions": ["判定候选方案无效"]} |
| {"item_id": "ITEM-ROBO-T4-000030", "context": "评价在第二次按键后加入“LED B off”，并在每次按键判断后加入0.5 s等待或“按钮已释放？”回路的修正。", "candidate_revisions": ["判定修正有效"]} |
| {"item_id": "ITEM-MECH-T4-000018", "context": "草图还剩一个自由度", "candidate_revisions": ["在任意相关直线间增加一个独立角度尺寸"]} |
| {"item_id": "ITEM-MECH-T4-000019", "context": "内腔深度增至9 mm会把零件分成两部分", "candidate_revisions": ["把内腔深度恢复到不穿出上表面的值，例如原4.50 mm"]} |
| {"item_id": "ITEM-MECH-T4-000020", "context": "齿轮轴心距大0.02 in导致侧隙和分离力增加", "candidate_revisions": ["按目录节圆直径恢复0.625 in轴心距"]} |
| {"item_id": "ITEM-MECH-T4-000021", "context": "四浇口改为单浇口会带来远端短射", "candidate_revisions": ["否决单浇口方案并保留平衡四浇口"]} |
| {"item_id": "ITEM-MECH-T4-000022", "context": "连接部加厚10倍会产生缩痕或翘曲", "candidate_revisions": ["否决10倍加厚，保持较均匀壁厚并用工艺参数处理熔接线"]} |
| {"item_id": "ITEM-MECH-T4-000023", "context": "直线八腔流道不平衡使端部型腔更冷、压降更大", "candidate_revisions": ["改为各型腔流长近似相等的紧凑径向平衡布置"]} |
| {"item_id": "ITEM-MECH-T4-000024", "context": "CD 托盘熔接线处开裂", "candidate_revisions": ["优先提高熔体温度，并可配合提高注射压力"]} |
| {"item_id": "ITEM-MECH-T4-000025", "context": "热成型包装冷却后夹持过紧", "candidate_revisions": ["调整成形/模具温度、冷却时间或改用收缩率更低材料以补偿收缩"]} |
| {"item_id": "ITEM-MECH-T4-000026", "context": "戒面文字和细节低于SLM分辨率", "candidate_revisions": ["放大或简化最细文字/海狸细节至高于激光光斑能力"]} |
| {"item_id": "ITEM-MECH-T4-000027", "context": "长薄翅片受热梯度翘曲", "candidate_revisions": ["增厚、缩短或重定向长薄特征以改善热稳定性"]} |
| {"item_id": "ITEM-MECH-T4-000028", "context": "悬垂随打印方向可能失效", "candidate_revisions": ["改变成形方向或在悬垂下添加可去除支撑"]} |
| {"item_id": "ITEM-MECH-T4-000029", "context": "DUPLO 分型面飞边风险", "candidate_revisions": ["降低注射压力，或降低注射/模具温度到合格工艺窗口"]} |
| {"item_id": "ITEM-MECH-T4-000030", "context": "单步冷锻应力超过UTS并出现45°剪切破坏", "candidate_revisions": ["采用较小单步变形、工序间退火或改为热加工；优先组合分步变形与必要退火"]} |
| {"item_id": "ITEM-AUTO-T4-000221", "context": "Use only the source diagram, stated test conditions and verified diagnosis.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000222", "context": "Use only the source diagram, stated test conditions and verified diagnosis.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000223", "context": "Use only the source diagram, stated test conditions and verified diagnosis.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000224", "context": "Use only the source diagram, stated test conditions and verified diagnosis.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000225", "context": "Use only the source diagram, stated test conditions and verified diagnosis.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000226", "context": "Use only the source diagram, stated test conditions and verified diagnosis.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000227", "context": "Use only the source diagram, stated test conditions and verified diagnosis.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000228", "context": "Use only the source diagram, stated test conditions and verified diagnosis.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000229", "context": "Use only the source diagram, stated test conditions and verified diagnosis.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-AUTO-T4-000230", "context": "Use only the source diagram, stated test conditions and verified diagnosis.", "candidate_revisions": ["A", "B", "C", "D"]} |
| {"item_id": "ITEM-MEP-T4-000031", "context": "使试压布置满足原题规范并通过监理验收", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000032", "context": "保护弹簧支座并使试验/轴系复找状态可验证", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000033", "context": "使转换支架拼接尺寸满足原题安装要求", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000034", "context": "使垫铁布置达到官方给出的安装尺寸范围", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000035", "context": "使排烟风机安装满足原题防排烟要求且不遗留火灾安全缺陷", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000036", "context": "恢复气体管道取源位置的规范顺序", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000037", "context": "完成防火分隔处的全部局部整改", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000038", "context": "使母线槽支撑系统达到原题规范并可复验", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000039", "context": "恢复每个插座的可靠极性与保护接地", "candidate_revisions": []} |
| {"item_id": "ITEM-MEP-T4-000040", "context": "清除已定位堵塞并用原题方法确认排水恢复", "candidate_revisions": []} |
| {"item_id": "ITEM-ENERGY-T4-000031", "context": "验证给定修改是否完整解决“开敞接线箱同时存在接线、盖板和管理控制缺陷”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只安装箱盖，不纠正箱内接线，也不建立安装培训和保持箱盖关闭的程序"]} |
| {"item_id": "ITEM-ENERGY-T4-000032", "context": "验证给定修改是否完整解决“手持锯作业同时存在工具、接地、现场整理、培训和PPE/防坠缺陷”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只确认手持锯有接地，其他状态保持不变"]} |
| {"item_id": "ITEM-ENERGY-T4-000033", "context": "验证给定修改是否完整解决“电路箱缺盖、缺锁并伴随现场整理和电气安全程序不足”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只安装电路箱盖板"]} |
| {"item_id": "ITEM-ENERGY-T4-000034", "context": "验证给定修改是否完整解决“室外装置同时存在面板、临时接线、线缆状态、环境适用性、接地和GFCI缺陷”，且不遗漏来源明确的其他风险", "candidate_revisions": ["只安装面板面盖"]} |
| {"item_id": "ITEM-MECH-T4-000031", "context": "weld-line fracture", "candidate_revisions": ["reduce four gates to one without relocating it"]} |
| {"item_id": "ITEM-MECH-T4-000032", "context": "connector fracture", "candidate_revisions": ["increase connector thickness tenfold"]} |
| {"item_id": "ITEM-MECH-T4-000033", "context": "alternative process feasibility", "candidate_revisions": ["replace injection molding with thermoforming"]} |
| {"item_id": "ITEM-MECH-T4-000034", "context": "gain cavity space without losing bending stiffness", "candidate_revisions": ["replace 3 mm aluminum with 2 mm Ti-6Al-4V"]} |
| {"item_id": "ITEM-MECH-T4-000035", "context": "insufficient beam stiffness", "candidate_revisions": ["replace die-cast aluminum with stainless steel without changing geometry"]} |
| {"item_id": "ITEM-MECH-T4-000036", "context": "评价把图示阀门手柄从现有铸造工艺改为熔模铸造；说明有依据的优点、缺点和最终建议。", "candidate_revisions": ["replace the current casting process with investment casting"]} |
| {"item_id": "ITEM-ROBO-T4-000031", "context": "图中两车轮径、电机和左右轮驱动方式相同，但轴距不同。哪一辆更容易转向，为什么？", "candidate_revisions": ["缩短前后轮接地点间距"]} |
| {"item_id": "ITEM-ROBO-T4-000032", "context": "两组齿轮传动的输入转速相同、输出轮径相同。比较图5和图6，哪一组使车辆输出更快？", "candidate_revisions": ["采用图5所示传动级组合"]} |
| {"item_id": "ITEM-ROBO-T4-000033", "context": "图中给出两个差异很大的候选机器人。能否仅凭外观判定哪一个“最优”？评价该比较缺失的关键条件。", "candidate_revisions": ["补充明确的任务目标和评价指标"]} |
| {"item_id": "ITEM-ROBO-T4-000034", "context": "图中两车重量和车轮相同。仅比较倾覆临界角，A、B 哪个更好？说明几何依据。", "candidate_revisions": ["不因外形宽高表象改变结论"]} |
| {"item_id": "ITEM-ROBO-T4-000035", "context": "比较图中轮式车辆1与履带式车辆2，各给出一个来源支持的优点和缺点。", "candidate_revisions": ["在轮式与履带式底盘之间取舍"]} |
| {"item_id": "ITEM-ROBO-T4-000036", "context": "对图示并联 SCARA 与尺度相当的串联 SCARA 进行比较：并联方案的主要收益和代价是什么？", "candidate_revisions": ["由串联链改为图示并联闭链"]} |
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