• The application of the technology of adding both polyacrylic fiber and lightly sintered magnesia in concrete played a remarkable role in crack control of concrete facing slabs.

    聚丙烯纤维氧化镁双掺技术应用面板混凝土防裂发挥明显的作用

    youdao

  • The paper introduces the research on comprehensive control technology of soil and water loss and nitrogen and phosphorus loss in stormed crack and excessive eroded soil in Dianchi lake basin.

    介绍滇池流域侵蚀区水土流失控制研究内容、方法取得的效果等。

    youdao

  • The paper introduces the research on comprehensive control technology of soil and water loss and nitrogen and phosphorus loss in stormed crack and excessive eroded soil in Dianchi lake basin.

    介绍滇池流域侵蚀区水土流失控制研究内容、方法取得的效果等。

    youdao

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