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| классификация | |||
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选粒 : 30 phrases in 9 subjects |
| Agriculture | 2 |
| Chemistry | 5 |
| Construction | 3 |
| Forestry | 1 |
| General | 7 |
| Geology | 2 |
| Mining | 2 |
| Oil and gas | 1 |
| Technology | 7 |
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