вентиляционная выработка | |
mining. | air gate; air working; air-course; back entry; fang; upcast |
для | |
gen. | for |
обратная струя | |
nautic. | backfilling jet |
вентиляционная выработка: 45 phrases in 5 subjects |
General | 1 |
Geology | 1 |
Gold mining | 11 |
Mining | 25 |
Technology | 7 |