latched relay

例句：

1. 1.The latched relay switches on the lights automatically when the door is opened.
   当门打开时，锁定继电器会自动开启灯光。
2. 2.The engineer used a latched relay to control the power supply.
   工程师使用了一个锁定继电器来控制电源供应。
3. 3. The latched relay was designed to prevent accidental activation during operation.
   锁定继电器被设计成在操作过程中防止意外激活。