题目内容

GB175一2007中“按0.50水灰比和胶砂流动度不小于180mm来确定用水量”中规定的适用水泥品种有：（）。

A. 普通硅酸盐水泥
B. 掺火山灰质混合材的普通硅酸盐水泥
C. 粉煤灰硅酸盐水泥
D. 硅酸盐水泥

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