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столбовая система
| разработки
| столбовая система | |
| geol. | panel system |
| mining. | semilongwall |
| разработка | |
| gen. | working; exploitation; lay-out; operation |
| |||
| panel system | |||
| semilongwall | |||
| pillar mining | |||
| столбовая система: 155 phrases in 7 subjects |
| Geology | 9 |
| Gold mining | 2 |
| Makarov | 1 |
| Mining | 126 |
| Oil / petroleum | 2 |
| Oil and gas | 1 |
| Technology | 14 |