短語詞組短語Steel threaded pipe fittings 螺紋鋼管配件Austenite steel furnace pipe 奧氏體鋼爐管Steel -pipe concrete 鋼管混凝土steel glass pipe 玻璃鋼管plastic steel composite pipe 塑鋼復(fù)合管stainless steel weld pipe 不銹鋼焊管steel corrugated pipe culverts 鋼波紋管涵steel -pipe calculator 鋼管計數(shù) 返回 steel pipe