焊接滚轮架 turning rolls ; welded turning rolls ; turning roller ; welding roller bed

滚压焊 mash seam weld ; [机] roll-welding ; roll weld ; Rolling welding

滚点焊 roll spot welding ; roll-spot weld ; roller spot welding ; seam welding

滚焊机 [机] seam welder ; roll seam welding machine

焊接滚轮 welding roll ; welding robot ; contact wheel

对接滚焊 butt seam welding

对接滚焊机 butt seam welder ; butt seam welding machine

滚对焊 butt seam welding

环形焊缝滚焊机 girth welder