快三app

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                蒙城

                   蒙城01合同段:蒙城涡河三桥01合同段全长为3.469公里,其中涡河三桥全长647m。南侧接线长约0.24公里;北侧接线长约2.58公里,工程总造价1.35亿元。全线大桥一座即涡河三桥:桥梁跨径布置为9×17.5+4×31.5+100+8×32m,桥梁全长647m,主桥为100m下承式预应力混凝土系梁拱;引桥采用预制∞预应力混凝土小箱梁。K2+325.5中桥一座,跨径1-20m预制预◆应力空心板,桥梁全长32m。

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