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 |
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