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| 马力—小时: 27 phrases in 10 subjects |
| Aviation | 1 |
| Business | 4 |
| Earth sciences | 2 |
| General | 8 |
| Mechanics | 3 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
| Shipbuilding | 1 |
| Technology | 4 |
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