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| 金刚石粒: 77 phrases in 11 subjects |
| Architecture | 2 |
| Chemistry | 1 |
| Drilling | 13 |
| Earth sciences | 1 |
| Engineering geology | 2 |
| General | 8 |
| Mechanics | 1 |
| Metallurgy | 4 |
| Mining | 1 |
| Oil / petroleum | 9 |
| Technology | 35 |
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