emergency shut-down device

例句：

1. 1. The emergencyshut-down device was activated by the sudden power outage.
   突然停电时，紧急停机装置被激活了。
2. 2.The engineers used the emergency shut-down device to prevent further damage.
   工程师们使用紧急停机装置来防止进一步的损害。
3. 3.The fire department had a backup emergency shut-down device in case of an accident.
   消防部门备有备用的紧急停机装置以防意外发生。