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取心器 : 95 phrases in 13 subjects |
| Agriculture | 1 |
| Animal husbandry | 1 |
| Chemistry | 1 |
| Construction | 1 |
| Drilling | 32 |
| Earth sciences | 2 |
| Ecology | 2 |
| Explosives and Explosive Ordnance Disposal | 4 |
| General | 3 |
| Geophysics | 6 |
| Metallurgy | 5 |
| Oil / petroleum | 34 |
| Technology | 3 |
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