短語詞組短語steel flat roof truss 鋼平頂桁架Steel roof truss detail 鋼屋架詳圖;鋼屋架tubular steel roof truss 管式鋼屋架steel roof truss structure 鋼結(jié)構(gòu)屋架;鋼屋架結(jié)構(gòu)light steel roof truss 輕型鋼屋架steel roof truss system 鋼屋架系統(tǒng)large steel roof truss 大型鋼屋架design of steel roof truss 鋼屋架設(shè)計 返回 steel roof truss