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hole | |||
vertical well bore (скважины) |
вертикальный ствол: 32 phrases in 12 subjects |
Artillery | 1 |
Astronautics | 6 |
Drilling | 1 |
Geology | 3 |
Military | 2 |
Mining | 8 |
Oil / petroleum | 1 |
Oil and gas | 3 |
Oil and gas technology | 2 |
Sakhalin | 1 |
Technology | 3 |
Weapons and gunsmithing | 1 |