单选题硅酸盐水泥42.5和42.5R（）。A没有区别，是相同水泥B按照28d强度的大小，硅酸盐水泥42.5R是早强型，硅酸盐水泥42.5是普通形C按照3d强度的大小，硅酸盐水泥42.5R是早强型，硅酸盐水泥42.5是普通形D28d强度与3d强度都不相同
单选题
硅酸盐水泥42.5和42.5R（）。
A
没有区别，是相同水泥
B
按照28d强度的大小，硅酸盐水泥42.5R是早强型，硅酸盐水泥42.5是普通形
C
按照3d强度的大小，硅酸盐水泥42.5R是早强型，硅酸盐水泥42.5是普通形
D
28d强度与3d强度都不相同
参考解析
解析：
暂无解析
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