电弧焊接 arc welding ; stud arc welding ; electric arc welding ; arc welding equipment

电弧焊接钢管 Arc-Welded Steel Pipe ; Welded Steel Pipe ; arc weld steel pipe

电弧焊接发电机 electric arc welding generators ; electricarcweldinggenerator ; electric arc welding generator

串联电弧焊接 series-arc welding

电弧焊接用发电机 arc welding generator

预热电弧焊接 preheated electric arc welding

电弧焊接机 arc welding machine ; welder

电弧焊接工艺过程 arc welding process

金属极电弧焊接 metal arc welding ; metal inert gas arc welding

电弧焊接设备 Electric arc welding apparatus ; arc-welding equipment ; welding equipment