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| отвесная скала; обрывистая скала; утёс | |||
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断岩 : 25 phrases in 7 subjects |
| Drilling | 2 |
| General | 5 |
| Geology | 9 |
| Gold mining | 1 |
| Mathematics | 1 |
| Mining | 1 |
| Technology | 6 |
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