试题与答案

设计混凝土配合比时,选择水灰比的原则是混凝土强度的要求与最大水灰比的规定。

题型:判断题

题目:

设计混凝土配合比时,选择水灰比的原则是混凝土强度的要求与最大水灰比的规定。

答案:

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