试题与答案

用于检查结构构件混凝土强度的试件应()抽取。 A.在混凝土的搅拌地点搅拌第一盘时 B

题型:单项选择题

题目:

用于检查结构构件混凝土强度的试件应()抽取。

A.在混凝土的搅拌地点搅拌第一盘时

B.在混凝土的搅拌地点随机

C.在混凝土的浇筑地点刚开始浇筑时

D.在混凝土的浇筑地点随机

答案:

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