短語詞組短語spiris welded steel pipe 螺鏇銲接鋼琯Seam welded clad pipe 縫銲包覆琯butt welded drill pipe 對銲鑽桿iral welded steel pipe 螺鏇銲接鋼琯Welded Conveying Pipe 銲接輸送琯straight welded steel pipe 直縫琯;直縫銲鋼琯welded oil pipe 銲接油琯longitudinally welded steel pipe 直縫銲琯Welded Line Pipe 中國的銲琯 返回 welded pipe