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| шахта; выработки | |||
| копь; прииск (贵金属); рудник | |||
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矿坑 : 39 phrases in 7 subjects |
| Chemistry | 1 |
| Electronics | 3 |
| General | 8 |
| Mining | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 2 |
| Technology | 23 |
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