D值 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 均值 | 危险等级 |
1 | 4.5 | 0.5 | 0.25 | 3.5 | 0.5 | 1.5 | 3.5 | 0.5 | 0.5 | 210 | 22.525 | D |
2 | 0.6 | 3.5 | 18 | 9 | 42 | 2.8 | 9 | 3.5 | 42 | 700 | 83.04 | C |
3 | 70 | 10 | 3 | 60 | 10 | 700 | 60 | 10 | 42 | 18 | 98.3 | C |