全部通过六号筛，并含能通过七号筛不少于95%的粉末是A.最粗粉B.中粉C.细粉D.最细粉E.极细粉

作者: tihaiku 人气: - 评论: 0

问题全部通过六号筛，并含能通过七号筛不少于95%的粉末是

选项

A.最粗粉
B.中粉
C.细粉
D.最细粉
E.极细粉

答案 D

解析

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