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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 |