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| 用金刚石镗孔; 用硬质合金刀片精镗 | |||
| 金刚石钻孔; 金刚石钻进 | |||
| 金刚石镗; 金刚石钻头钻探; 金刚石钻头钻孔 | |||
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diamond boring : 10 phrases in 4 subjects |
| Automobiles | 1 |
| Shipbuilding | 1 |
| Technology | 7 |
| Water resources | 1 |
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