名词
中文翻译：转换开关
同义词：
['switch', 'switch key', 'switching mechanism']
例句：
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1.The engineer needs to check the working condition of the switching key before starting the machine.
工程师需要检查开关键的工作状况，才能启动机器。
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2.The technician replaced the faulty switching key with a new one.
技师用一个新的故障开关替换了旧的。
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3. The customer service representative was instructed to use the switching key to reset the device.
客户服务代表被指示使用切换键来重置设备。