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| mantle of soil | |||
| soil cover | |||
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| mantle of soil | |||
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土 覆 盖层 : 26 phrases in 8 subjects |
| Agriculture | 2 |
| Architecture | 2 |
| Desert science | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 1 |
| Soil science | 1 |
| Technology | 17 |
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