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| 连续作业: 29 phrases in 9 subjects |
| Brewery | 1 |
| Chemistry | 1 |
| Forestry | 1 |
| General | 13 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Oil and gas | 1 |
| Oil processing plants | 1 |
| Technology | 9 |
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