inertia switch

例句：

1. 1. The inertia switch is responsible for the automatic locking of the door when it's closed.
   惯性开关负责自动锁定门，当门关闭时。
2. 2. The engineer used the inertia switch to quickly shut down the machinery.
   工程师使用惯性开关迅速关闭了机器。
3. 3. The inertia switch was designed to prevent accidental activation during operation.
   惯性开关被设计成在操作过程中防止意外激活。