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| 油 再生: 56 phrases in 14 subjects |
| Armored vehicles | 1 |
| Automobiles | 4 |
| Chemistry | 3 |
| Drilling | 1 |
| Ecology | 2 |
| Environment | 1 |
| Exhibitions | 1 |
| Food industry | 4 |
| General | 1 |
| Metallurgy | 5 |
| Oil / petroleum | 16 |
| Rail transport | 1 |
| Shipbuilding | 1 |
| Technology | 15 |
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