вращательный бурение : 165 phrases in 15 subjects |
Bridge construction | 2 |
Construction | 12 |
Drilling | 27 |
Geology | 15 |
Makarov | 8 |
Military | 6 |
Mining | 35 |
Oil / petroleum | 16 |
Oil and gas | 6 |
Oil and gas technology | 11 |
Oilfields | 9 |
Production | 2 |
Seismology | 1 |
Technology | 14 |
Transport | 1 |