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| 原酸: 170 phrases in 13 subjects |
| Biology | 1 |
| Chemical fibers | 1 |
| Chemistry | 25 |
| Electronics | 5 |
| General | 50 |
| Geology | 3 |
| Inorganic chemistry | 1 |
| Medical | 38 |
| Oil processing plants | 15 |
| Oilfields | 1 |
| Technology | 28 |
| Textile industry | 1 |
| Toxicology | 1 |
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