• 本文介绍配制流态混凝土研究应用情况

    This paper introduced the study and application situation of replacing river sand with copper slag in compounding concrete in Tongkuangyu copper Mine.

    youdao

  • 本文介绍配制流态混凝土研究应用情况

    This paper introduced the study and application situation of replacing river sand with copper slag in compounding concrete in Tongkuangyu copper Mine.

    youdao

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