青云翻译

Master the knowledge of welding, including manual welding, automatic welding, submerged arc welding, gas welding, argon arc welding.

Acquisition of welding-related knowledge, including welding, semiautomatic welding, submerged arc welding, gas metal arc welding, argon-arc welding.

The grasping welding correlation knowledge, including the manual welding, the manual welding, buries the arc to weld, the shielded welding, the argon arc welding automatically.

At welding related knowledge, including manual welding, semi-automatic welding, arc welding, auto gas shielded welding, argon arc welding.

Acquisition of welding-related knowledge, including welding, semiautomatic welding, submerged arc welding, gas metal arc welding, argon-arc welding.