• In general, volume of concrete building of the hydraulic structures is very large, and because of constructing and structural command, it is often constructs in big one.

    水工混凝土建筑物一般体积很大而且由于施工结构上需要,常常大块浇筑

    youdao

  • In general, volume of concrete building of the hydraulic structures is very large, and because of constructing and structural command, it is often constructs in big one.

    水工混凝土建筑物一般体积很大而且由于施工结构上需要,常常大块浇筑

    youdao

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