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| B 层 | |||
| 淀积层 | |||
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| B层; 淀积层; B層位 | |||
| B层土; 乙层土; 淋积土层; 淀积土层 | |||
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B horizon : 7 phrases in 4 subjects |
| Agriculture | 1 |
| Desert science | 1 |
| Soil science | 4 |
| Technology | 1 |
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