подземная выработка : 74 phrases in 17 subjects |
Astronautics | 1 |
Cement | 1 |
Construction | 4 |
Drilling | 1 |
Gas processing plants | 1 |
General | 4 |
Geology | 2 |
Gold mining | 3 |
Makarov | 2 |
Military | 12 |
Mining | 27 |
Oil / petroleum | 4 |
Oil and gas | 2 |
Oilfields | 4 |
Scotland | 1 |
Seismology | 1 |
Technology | 4 |