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两厢电和三厢电有什么区别?
更新时间: 2021-05-14 03:27:41  

1、三相的有跟接地的线,一般都是大型电器这样,那个接地的就是接到金属外壳上的,这样更安全,其它两个和两相插头一样,都是一个火线一个零线。

2、两相插头分别为火线,和零线.所谓零线就是电势为0,(以地面为电势零点)而火线相对于地面则带有220伏的电压。

关键词: 什么 区别

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