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| parallel entry; countergangway (в мощных наклонных пластах) | |||
| counter entry; counter-gangway (в мощных наклонных пластах) | |||
| companion drift | |||
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| gallery headings | |||
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параллельный штрек : 5 phrases in 2 subjects |
| Geology | 1 |
| Mining | 4 |
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