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| 气化反应: 15 phrases in 12 subjects |
| Automobiles | 1 |
| Aviation | 2 |
| Earth sciences | 1 |
| Ecology | 2 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Oil processing plants | 1 |
| Polymers | 1 |
| Rail transport | 1 |
| Technology | 2 |
| United Nations | 1 |
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