滚焊机 meaning in Chinese

circular seam welder
roll seam welding machine
seam welder

Roll welding machine for stell bar skeleton of reinforced concrete pipe
钢筋混凝土管钢筋骨架滚焊机
Usage of roll welding machine for hooped reinforcement cage of pile with drilling hole
钻孔桩钢筋笼滚焊机的应用
Universal seam welder
万能滚焊机
Welded and brazed assemblies for aerospace constructions . resistance spot or seam welding machines . qualification specifications
航空航天结构件的焊接和钎焊组件.电阻点焊或滚焊机.鉴定规范