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| 冠岩; 复盖岩层; 复岩; 复盖岩石; 盖保岩; 表土; 复盖岩层复盖岩石 | |||
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покрывающие породы : 7 phrases in 3 subjects |
| Electronics | 4 |
| Geology | 2 |
| Technology | 1 |
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