circuit-breaker

柯林斯词典

circuit breaker (circuit breakers)

• 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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