• 支柱位置不正或损坏

    Frame rail or strut tower out of position or damaged.

    youdao

  • 连接构成

    The frame beams and the frame columns are connected to form a frame;

    youdao

  • 介绍现场进行预应力测试

    The site test on the prestressed frame beam was introduced.

    youdao

  • 介绍现场进行预应力测试

    The site test on the prestressed frame beam was introduced.

    youdao

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