reset contactor

例句：

1. 1. The circuit breaker needs to be reset before the power can be restored.
   在电力恢复之前，断路器需要被重置。
2. 2. The technician had to reconnect the wires after the power outage.
   在停电后，技术人员不得不重新连接电线。
3. 3. The old switch was replaced with a modern one that could automatically reset the contactor when needed.
   旧开关被一个现代的替换了，它能够在需要时自动重置接触器。