判断等离子电源属哪种起弧方式，只须看所配的手用割炬上是否有按钮即可。

Judgment of plasma power which arcs, just look at the way the hand of the match with the torch cut whether there is button.

youdao

判断等离子电源属哪种起弧方式，只须看所配的手用割炬上是否有按钮即可。

Judgment of plasma power which arcs, just look at the way the hand of the match with the torch cut whether there is button.

youdao