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| 1,4-benzodiazine | |||
| 二氮萘: 36 phrases in 8 subjects |
| Agriculture | 1 |
| Chemistry | 16 |
| General | 11 |
| Oil / petroleum | 1 |
| Pharmacology | 2 |
| Plastics | 1 |
| Technology | 2 |
| Water resources | 2 |
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