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| 有机氧化: 22 phrases in 12 subjects |
| Automobiles | 1 |
| Earth sciences | 1 |
| Ecology | 1 |
| Environment | 1 |
| Exhibitions | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Technology | 9 |
| Water resources | 2 |
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