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二氨苯基甲烷 : 23 phrases in 10 subjects |
| Chemistry | 6 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 2 |
| Oil / petroleum | 2 |
| Pharmacology | 2 |
| Plastics | 2 |
| Polymers | 1 |
| Space | 2 |
| Technology | 3 |
| Water resources | 2 |
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