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| шахты имеющие объединённую схему проветривания | |||
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联 合矿 : 69 phrases in 9 subjects |
| Chemistry | 1 |
| Economy | 1 |
| Electronics | 4 |
| General | 51 |
| Gold mining | 1 |
| Mining | 6 |
| Name of organization | 1 |
| Technology | 3 |
| United Nations | 1 |
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