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| 芳香环: 40 phrases in 11 subjects |
| Automobiles | 3 |
| Chemistry | 4 |
| Earth sciences | 1 |
| Environment | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Geology | 1 |
| Oil / petroleum | 15 |
| Technology | 7 |
| Textile industry | 1 |
| Water resources | 4 |
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