特定要求:
线速/厘米 | |
36 | 8:1 | 10:1 | 12:1 | 21:1 |
40 | 6:1 | 8:1 | 10:1 | 12:1 | 15:1 |
44 | 8:1 | 10:1 | 12:1 | 15:1 |
50 | 10:1 | 12:1 |
52 | 8:1 | 10:1 | 12:1 |
60 | 8:1 | 10:1 | 13:1 |
70 | 10:1 | 13:1 | 17:1 |
74 | 14:1 |
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