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电暖器上为什么有两个开关
更新时间: 2020-07-14 00:00:00  

两个开关可以组成3种功率状态:

将1号开关拨向1,2号开关拨向0,加热功率是800瓦。

将1号开关拨向0,2号开关拨向1,加热功率为1200瓦。

将两只开关全部拨向1,这时加热功率为2000瓦。

关键词: 为什么 开关

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