筛孔尺寸	26.5	19	16	13.2	9.5	4.75	2.36	1.18	0.6	0.3	0.15	0.075
0~5	100.0	100.0	100.0	100.0	100.0	94.8	69.8	52.4	37.3	28.9	21.5	13.6
5~10	100.0	100.0	100.0	100.0	96.6	54.0	28.5	18.8	13.7	11.0	8.9	6.6
10~20	100.0	97.3	91.8	78.7	41.9	24.3	16.6	11.5	7.8	5.8	4.2	3.0