名词
中文翻译：平行开关
同义词：
['parallel switch', 'parallel relay', 'parallel switchgear']
例句：
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1. The engineer used a paralleling switch to quickly connect the two circuits.
工程师使用了一个平行开关来快速连接两个电路。
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2. The paralleling switch was designed to reduce power consumption during peak loads.
平行开关被设计成在高峰负载期间减少电力消耗。
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3. During maintenance, the technician had to replace the paralleling switch in order to fix the faulty connection.
维护期间，技术人员不得不更换平行开关以修复故障连接。