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камерно-столбовая система
| разработки
| камерно-столбовая система | |
| mining. | pillar-and-room method; rib-and-pillar |
| разработка | |
| gen. | working; exploitation; lay-out; operation; working out |
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| pillar-and-room method; rib-and-pillar | |||
| камерно-столбовая система: 71 phrases in 6 subjects |
| Geology | 4 |
| Gold mining | 2 |
| Mining | 55 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Technology | 8 |