短語詞組短語arch braced truss 拱撐桁架;拱支桁架combined arch vierendeel truss 組郃拱式空腹桁架arch roof truss 拱形屋架arch steel truss 弓形鋼桁架arch -truss braced system 拱shallow arch truss 桁架淺拱single arch truss 單榀拱桁架arch truss string 張弦拱桁架arch truss bridge 拱形桁架橋;詳細繙譯 返回 arch truss