筛孔/mm

设计级配/%

筛孔/mm

设计级配/%

31.5

100

2.36

20.1

26.5

96.9

1.18

16.5

19

79.8

0.6

14.5

16

68.4

0.3

12.7

13.2

55.7

0.15

11.9

9.5

37.1

0.075

11.3

4.75

22.8