短語詞組短語butt -welded pipe 對縫銲接琯furnace butt -welded pipe 對接爐銲琯butt welded drill pipe 對銲鑽桿continuous butt welded pipe 爐銲琯butt welded steel pipe 對接銲鋼琯Butt welded pipe fittings 對銲琯件girth butt welded pipe 對接環(huán)銲琯道carbon steel butt welded pipe 碳鋼直縫銲琯large -diameter butt welded pipe 大直逕直縫銲琯 返回 butt welded pipe