cut-off relay circuit

例句：

1. 1. The power system needs to be designed with a high degree of redundancy to ensure that the cut-off relay circuit can operate normally in case of faults.
   电力系统需要设计成高度冗余，以确保在发生故障时切断继电器电路能够正常运行。
2. 2. During the emergency shutdown, the operator must manually switch off the main power supply and then quickly reconnect the cut-off relay circuit to restore normal operations.
   紧急停机时，操作员必须手动关闭主电源，然后迅速重新连接切断继电器电路，以恢复正常操作。
3. 3. The design of the cut-off relay circuit is crucial for ensuring the safe operation of the power system.
   切断继电器电路的设计对于确保电力系统的安全运行至关重要。