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詳細(xì)介紹
| Model | BT-30 | BT-40 | BT-50 |
| L | 250 | 300 | 300 |
| G | M12 | M16 | M24 |
| ÆD | 30 | 40 | 40 |
| 锥度密合度 | 85% | 85% | 85% |
| 真圆度 | <0.003 | <0.003 | <0.003 |
| 同心度 | <0.005 | <0.005 | <0.005 |
| 备注 | 木盒包装 | ||