Steel through truss bridge has some excellence, such as low girder, light deadweight, high carrying capacity, comfortable travelling crane, short construct periods.

  • 下承式钢桁架桥具有梁高低、自重轻、承载能力大、行车平稳舒适、施工周期短等优点。

  • 互联网摘选 2025-01-20 17:29:14

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