筛孔尺寸/mm | 31.5 | 19 | 16 | 13.2 | 9.5 | 4.75 | 2.36 | 1.18 | 0.6 | 0.075 |
通过率/% | 100 | 90 | 78 | 66 | 50 | 37 | 27 | 16 | 11 | 2 |