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深眼 : 50 phrases in 9 subjects |
| Drilling | 1 |
| General | 29 |
| Geology | 5 |
| Ichthyology | 4 |
| Medical | 1 |
| Mining | 4 |
| Oil / petroleum | 3 |
| Technology | 2 |
| Wood processing | 1 |
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