камерно-столбовая разработка | |
energ.ind. | room and pillar mining |
mining. | board-and-pillar mining; pillar method |
с | |
gen. | offering; the size of; from |
Камера | |
comp., MS | Camera |
большая высота | |
gen. | loftiness |
камерно-столбовая разработка: 58 phrases in 5 subjects |
Geology | 1 |
Gold mining | 2 |
Mining | 48 |
Oil and gas | 1 |
Technology | 6 |