circuit-breaker
柯林斯詞典
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. 斷電器
There is always an internal circuit breaker to protect the instrument from overload. 總有一個斷電器以防止儀器超負(fù)荷運(yùn)轉(zhuǎn)。
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