{
  "id": "foodproc_anom_001",
  "industry": "食品加工",
  "task_type": "异常处理类",
  "label": "杀菌锅温度传感器异常处理",
  "input": "某批次杀菌锅在运行中温度曲线突然波动异常，报警后自动停机，经检查锅体温度正常，请分析异常原因。",
  "cot_steps": [
    "查看温度记录，出现1分钟内剧烈下降后恢复。",
    "排查蒸汽供应系统，压力稳定，锅体加热无异常。",
    "检查温度传感器接头，发现接口松动，有抖动迹象。",
    "传感器信号出现瞬时断开，系统判断为温度失控。",
    "最终判断为接触不良导致信号抖动，引发报警误判。"
  ],
  "answer": "温度传感器接头松动造成信号瞬断，引起系统误判异常停机。",
  "key_variables": [
    "传感器信号",
    "温度波动",
    "接线状态",
    "报警逻辑"
  ],
  "difficulty": "中等",
  "source": "实际案例推理"
}