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система длинных столбов
| по простиранию
| система длинных столбов | |
| mining. | long-pillar method; long-pillar system |
| по простиранию | |
| gen. | along the strike |
| geol. | level course; on the strike; in the strike |
| goldmin. | of strike-length |
| O&G | to the strike; in-strike |
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| long-pillar method; long-pillar system | |||
| система длинных столбов: 20 phrases in 2 subjects |
| Mining | 18 |
| Technology | 2 |