• The influence of different superplasticizers on drying shrinkage of mortar with the same water cement ratio and same sand cement ratio was investigated in this article.

    通过试验研究几种类型高效减水剂同样灰比的情况下对砂浆干燥收缩性能影响

    youdao

  • The influence of different superplasticizers on drying shrinkage of mortar with the same water cement ratio and same sand cement ratio was investigated in this article.

    通过试验研究几种类型高效减水剂同样灰比的情况下对砂浆干燥收缩性能影响

    youdao

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