steel girder

短语词组

短语

• steel truss girder bridge 钢桁梁桥
• flat steel box girder 扁平钢箱梁
• through steel truss girder 下承式钢桁梁
• steel box girder footbridge 钢箱梁人行桥
• cantilevered steel box girder 悬臂钢箱梁
• steel tube girder 钢管斜梁
• strengthening steel crane girder 加固钢吊车梁
• composite steel truss girder 钢桁叠合梁
• steel track girder 钢轨道梁
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