Sometimes nitrogen are being used oxygen plasma arccutting of arcs gas.
有时氮气还被用作氧等离子弧切割时的起弧气体。
2
According to the different main gas, mainly divides into argon plasma arccutting division, the oxygen plasma arccutting and cutting, air plasma arc type.
根据不同的主要气体，主要分为氩等离子弧切割划分，氧气切割和等离子弧切割，空气等离子弧的类型。
3
Companies with welding, carbon dioxide gas shielded arc welding, argon, carbon arc gouging, oxygencutting and other special operations personnel.