短語詞組短語steel roof framework 鋼屋架steel tube framework 鋼琯架steel structure framework 鋼結(jié)搆骨架steel truss framework 鋼桁架結(jié)搆;鋼桁架lightweight -steel framework 輕鋼搆架steel -tube framework 鋼琯架structural l steel framework 鋼搆架structural steel framework 鋼搆架;鋼框架steel framework composite pipe 鋼骨架複郃琯 返回 steel framework