circuit breaker
柯林斯词典
1. N-COUNT A circuit breaker is a device which can stop the flow of electricity around a circuit by switching itself off if anything goes wrong. 断电器
There is always an internal circuit breaker to protect the instrument from overload. 总有一个断电器以防止仪器超负荷运转。
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circuit breaker (circuit breakers)
剑桥词典
- a safety device that stops the flow of current in an electrical circuit when there is a fault
（电流）断路器
比较
fuse noun (SAFETY PART) 返回 circuit breaker