Most laptops now use voltage ID programmable voltage regulators to allow the processor to program the correct voltage during power-on.
现在，多数便携式电脑都使用电压标识可编程电压调节器，使得处理器可以在加电过程中调用正确的电压。
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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