• 为了提高变态混凝土的抗防裂性能变态用材料及其配合比进一步试验研究

    In order to increase the performances of seepage control and crack prevention of metamorphic concrete, the test and study on metamorphic material and its mix proportion should be further made.

    youdao

  • 为了提高变态混凝土的抗防裂性能变态用材料及其配合比进一步试验研究

    In order to increase the performances of seepage control and crack prevention of metamorphic concrete, the test and study on metamorphic material and its mix proportion should be further made.

    youdao

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