The effect of steel slag powder on road properties andand thawing resistance of concrete was studied.

  • 试验研究了钢渣微粉对混凝土抗压强度、干缩、碳化、抗氯离子渗透、气渗等性能指标的影响.

  • 互联网摘选 2025-03-01 21:51:18

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