名词
中文翻译：线分离单元
同义词：
['line disconnect', 'line breaker', 'line disconnector']
例句：
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1. The engineer useda line-off unit to disconnect the power cables.
工程师使用了一个线分离单元来断开电源电缆。
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2.The line-off unit was designed to prevent electrical fires in industrial settings.
线分离单元被设计用来防止工业环境中的电气火灾。
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3. During maintenance, the technician found a faulty line-off unit and replaced it immediately.
在维护期间，技术员发现一个故障的线分离单元并立即更换了它。