名词中文翻译1
中文翻译：Unknown
同义词：
['electric switch', 'circuit breaker']
例句：
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1.This electric cut-off machine is used to quickly disconnect power in case of an emergency.
这种电切断机用于紧急情况下快速断开电源。
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2. The engineers had to replace the old electric cut-off machine with a new one.
工程师们不得不用一个新的电切断机来替换旧的。
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3.During maintenance, the technician found a faulty electric cut-off machine and fixed it immediately.
在维护期间，技术员发现了一个有故障的电切断机，并立即进行了修复。