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The test results are shown: The optimum air content value for RCC resistance to frost-thaw durability is about 5%.
研究结果表明:碾压混凝土抗冻耐久性的最佳含气量为5%。
youdao
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The test results are shown: The optimum air content value for RCC resistance to frost-thaw durability is about 5%.
研究结果表明:碾压混凝土抗冻耐久性的最佳含气量为5%。
youdao