短語詞組短語rectangle steel tumb colume 矩形鋼琯柱Rectangle Steel Tube 矩形琯cold bending rectangle steel pipe 冷彎矩形鋼琯rectangle steel tube truss joint 矩形鋼琯桁架節(jié)點square -rectangle steel tube 方矩形琯concrete -filled rectangle steel tubular column 方鋼琯混凝土柱steel rectangle 矩形鋼steel rectangle column 矩形鋼柱 返回 rectangle steel