shut-down rod

例句：

1. 1. The shut-down rod was used to manually disconnect the power supply.
   使用断电杆手动断开电源供应。
2. 2.The engineer had to shut down the machine before it could be repaired.
   工程师在机器修复前必须将其关闭。
3. 3. The shut-down rod was a crucial part of the emergency evacuation plan.
   断电杆是紧急疏散计划中至关重要的一部分。