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| 土 粉: 68 phrases in 14 subjects |
| Chemistry | 1 |
| Construction | 7 |
| Dialectal | 1 |
| Drilling | 2 |
| Electronics | 3 |
| Food industry | 1 |
| General | 25 |
| Geology | 5 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Silicate industry | 3 |
| Soil science | 1 |
| Technology | 16 |
| Water resources | 1 |
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