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饱气度 : 40 phrases in 12 subjects |
| Animal husbandry | 1 |
| Aviation | 2 |
| Desert science | 1 |
| Earth sciences | 2 |
| General | 1 |
| Geophysics | 2 |
| Metallurgy | 1 |
| Mining | 4 |
| Oil / petroleum | 16 |
| Refrigeration | 3 |
| Space | 1 |
| Technology | 6 |
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