• Freezeproof durability of roll compacted concrete engineering in northwest cold and dry areas can not be guaranteed because entrainment of air is difficult.

    西北高寒干燥地区碾压混凝土工程由于引气困难,导致其抗冻耐久性得不到保证。

    youdao

  • Freezeproof durability of roll compacted concrete engineering in northwest cold and dry areas can not be guaranteed because entrainment of air is difficult.

    西北高寒干燥地区碾压混凝土工程由于引气困难,导致其抗冻耐久性得不到保证。

    youdao

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