试题与答案

根据《砌体工程施工质量验收规范》的规定,施工时所用的小砌块的产品龄期不应少于()。A

题型:单项选择题

题目:

根据《砌体工程施工质量验收规范》的规定,施工时所用的小砌块的产品龄期不应少于()。

A.14d

B.20d

C.25d

D.28d

答案:

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参考答案:错

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