主跨
- na.main span
- 网络main bay
主跨
主跨
main span
福州福清市大埔大桥工程_拟建桥梁_中国桥梁网 ... 建桥时间: Constucted In: 主 跨: Main Span: 造 价: Construction Cos…
main bay
焊接... ... 中央分隔带栏杆 center separation band handrails 主跨 main bay 主桥钢箱梁 steel box girder of the main bridge ...
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Construction Technology for Assembling Inverted Arch Type of Steel Pipe Concrete Arch Bridge with 270-m Main Span