reverse relay

例句：

1. 1.The reverse relay is used to switch the power back on after a power outage.
   逆回继电器用于在停电后切换电源。
2. 2.The engineers used the reverse relay to troubleshoot the faulty circuit.
   工程师们使用逆回继电器来诊断故障电路。
3. 3. The reverse relay was designed to prevent overheating of the motor during operation.
   逆回继电器被设计用来防止电机在运行过程中过热。