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| |||
| 耕作层土壤 | |||
| 表面土 | |||
| 表层土壤 | |||
| 表层土 | |||
| 表土 | |||
| 地表土壤 | |||
| 地表土; 面层土; 地面土; 表层土 (壤) | |||
| surface soil: 60 phrases in 11 subjects |
| Agriculture | 14 |
| Bridge construction | 1 |
| Desert science | 3 |
| Earth sciences | 2 |
| Ecology | 4 |
| Engineering geology | 2 |
| Environment | 1 |
| Hydroelectric power stations | 2 |
| Rail transport | 1 |
| Space | 1 |
| Technology | 29 |
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