短語詞組短語butt -welded pipe 對(duì)縫焊接管furnace butt -welded pipe 對(duì)接爐焊管butt welded drill pipe 對(duì)焊鉆桿continuous butt welded pipe 爐焊管butt welded steel pipe 對(duì)接焊鋼管Butt welded pipe fittings 對(duì)焊管件girth butt welded pipe 對(duì)接環(huán)焊管道carbon steel butt welded pipe 碳鋼直縫焊管large -diameter butt welded pipe 大直徑直縫焊管 返回 butt welded pipe