短语词组短語Steel Roof Truss 鋼結搆屋架;鋼屋蓋Steel Lattice Truss 鋼格搆桁架Steel roof truss detail 鋼屋架詳圖;鋼屋架steel pipe truss 琯桁架tubular steel roof truss 琯式鋼屋架steel conversion truss 鋼轉換桁架steel spatial truss 空間鋼桁架steel wire truss 鋼絲網架 返回 steel truss