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| 不熟化土壤; 未熟化土壤 | |||
| 未成熟土 | |||
| 未熟土; 未成熟的土; 生土 | |||
| immature soil: 4 phrases in 3 subjects |
| Bridge construction | 1 |
| Ecology | 1 |
| Engineering geology | 2 |
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