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次乙 : 56 phrases in 13 subjects |
| Agriculture | 1 |
| Chemistry | 21 |
| Engineering geology | 1 |
| General | 11 |
| Oil / petroleum | 4 |
| Perfume | 1 |
| Pharmacology | 4 |
| Plastics | 1 |
| Polymers | 1 |
| Space | 2 |
| Technology | 5 |
| Textile industry | 2 |
| Water resources | 2 |
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