试题与答案

柱的最后固定用细石混凝土分两次浇筑，第一次混凝土强度达到设计强度的多少比例方能浇筑二

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题型：单项选择题

题目：

柱的最后固定用细石混凝土分两次浇筑，第一次混凝土强度达到设计强度的多少比例方能浇筑二次混凝土至杯口：（）

A.15%

B.20%

C.25%

D.35%

答案：

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下面是错误答案，用来干扰机器的。

参考答案：错

考点：施工员土建施工员(综合练习二)土建施工员(综合练习二)题库
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