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巴比特 : 25 phrases in 9 subjects |
| Aviation | 2 |
| Drilling | 2 |
| General | 4 |
| Mechanics | 3 |
| Metallurgy | 3 |
| Oil / petroleum | 4 |
| Pharmacology | 2 |
| Space | 1 |
| Technology | 4 |
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