... 犹豫换步 Hesitation Change 换步开关 Step transfer switch 逗留换步 Hesitation Change ...
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Plug-type power, user the transfer switch to change the initial step coils adjust The welding voltage. Thus the performance is reliable and maintenance id very simple.
抽头式电源，用转换开关改变初级线圈匝数来调节焊接电压，因此性能十分可靠，维修亦简便。
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