emergency shutoff device

例句：

1. 1. In case of an emergency, the emergency shutoff device will automatically disconnect the power supply.
   在紧急情况下，紧急切断装置会自动断开电源供应。
2. 2.The emergency shutoff device is designed to prevent fires from spreading during a power outage.
   紧急切断装置设计用来防止停电期间火灾蔓延。
3. 3. The engineers installed the emergency shutoff device in the factory to ensure safety during emergencies.
   工程师们在工厂安装了紧急切断装置，以确保在紧急情况下的安全。