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三硝胺 : 51 phrases in 9 subjects |
| Aviation | 1 |
| Chemistry | 10 |
| Explosives and Explosive Ordnance Disposal | 7 |
| General | 14 |
| Oil / petroleum | 2 |
| Pharmacology | 9 |
| Space | 3 |
| Technology | 3 |
| Water resources | 2 |
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