steel girder
短語(yǔ)詞組
- steel truss girder bridge 鋼桁梁橋
- flat steel box girder 扁平鋼箱梁
- through steel truss girder 下承式鋼桁梁
- steel box girder footbridge 鋼箱梁人行橋
- cantilevered steel box girder 懸臂鋼箱梁
- steel tube girder 鋼管斜梁
- strengthening steel crane girder 加固鋼吊車梁
- composite steel truss girder 鋼桁疊合梁
- steel track girder 鋼軌道梁 返回 steel girder