试题与答案

整体立塔时,混凝土的抗压强度应达到设计强度的()。 A.70% B.80% C.90

题型:单项选择题

题目:

整体立塔时,混凝土的抗压强度应达到设计强度的()。

A.70%

B.80%

C.90%

D.100%

答案:

参考答案:D

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