cut-out relay armature spring

例句：

1. 1. Thenew car has a cut-out relay that can automatically shut off the engine in case of an emergency.
   这款新车有一个切出式继电器，可以在紧急情况下自动关闭发动机。
2. 2. The circuit breaker is designed to cut-out relay when the current exceeds a certain threshold.
   电路断路器设计成在电流超过一定阈值时切断继电器。
3. 3.The engineer used a special tool to cut-out the relay and replace it with a new one.
   工程师使用特殊工具切断继电器并更换了一个新的。