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搅流 : 57 phrases in 14 subjects |
| Agriculture | 1 |
| Aviation | 1 |
| Biotechnology | 1 |
| Chemistry | 2 |
| Ecology | 1 |
| Engineering geology | 3 |
| General | 1 |
| Metallurgy | 14 |
| Oil / petroleum | 1 |
| Plastics | 2 |
| Polymers | 1 |
| Rail transport | 1 |
| Technology | 27 |
| Water resources | 1 |
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