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вентиляционная сбойка
| через
| завал
| вентиляционная сбойка | |
| goldmin. | vent crosscut; ventilation crosscut |
| goldmin. geol. | vent cross cut |
| mining. | air connection; spout; air hole; air room; ventilation breakthrough; air fracturing |
| через | |
| road.wrk. | via |
| завал | |
| gen. | heap |
| |||
| vent crosscut (MichaelBurov); ventilation crosscut (MichaelBurov) | |||
| vent cross cut (Jewelia) | |||
| air connection; spout; air hole; air room (при камерностолбовой системе); ventilation breakthrough; air fracturing | |||
| ventilation connection | |||
| вентиляционная сбойка: 1 phrase in 1 subject |
| Mining | 1 |