单选题:配制预应力混凝土时应优先采用(  )。

题目内容:
配制预应力混凝土时应优先采用(  )。 A.普通硅酸盐水泥
B.矿渣硅酸盐水泥
C.火山灰质硅酸盐水泥
D.粉煤灰质硅酸盐水泥

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答案解析:

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