Practice shows that, through strict quality control, the Qingdao Bay Bridge in 60 m prestressed concrete box girder precast construction, regardless of their internal quality and appearance quality to achieve the desired effect.

  • 实践表明,通过严格的现场质量控制,青岛海湾大桥60m预应力混凝土箱梁整体预制施工,无论其内在质量还是外观质量均达到预期的效果。

  • 互联网摘选 2025-01-20 13:28:35

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