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单项选择题普通硅酸盐水泥,在进行强度检验时,其3天和28天的抗压强度应不小于()

A、17.0MPa,42.5MPa

B、22.0MPa,42.5MPa

C、23.0MPa,42.5MPa

D、27.0MPa,52.5MPa

  • A
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