• 实践证明层平推铺筑一种科学合理施工具有广泛应用前景

    The practice has proved that the inclined-layer placing method is a scientific reasonable construction method and has broad prospects for its application.

    youdao

  • 实践证明层平推铺筑一种科学合理施工具有广泛应用前景

    The practice has proved that the inclined-layer placing method is a scientific reasonable construction method and has broad prospects for its application.

    youdao

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