circuit dropout

例句：

1. 1.The circuit breaker tripped during the power outage.
   断电时断路器跳闸了。
2. 2.The engineer found a fault in the circuit that caused the problem.
   工程师发现电路中的一个故障导致了这个问题。
3. 3. The technician quickly identified and repaired the circuit dropout.
   技术人员迅速识别并修复了电路断路。