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升 轴 : 42 phrases in 13 subjects |
| Agriculture | 3 |
| Automobiles | 4 |
| Aviation | 1 |
| Compressors | 2 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Electronics | 4 |
| General | 2 |
| Metallurgy | 2 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Technology | 19 |
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