• The raw materials compositions, production process, technical properties, engineering applications and economic benefits of the expansion agent for concrete are introduced emphatically in this paper.

    本文主要介绍了膨胀原料构成生产工艺技术性能工程应用经济效益

    youdao

  • The raw materials compositions, production process, technical properties, engineering applications and economic benefits of the expansion agent for concrete are introduced emphatically in this paper.

    本文主要介绍了膨胀原料构成生产工艺技术性能工程应用经济效益

    youdao

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