 |
| |||
| буровая установка с пневматическим управлением (Yeldar Azanbayev) | |||
| air controlled rig: 3 phrases in 3 subjects |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
|
| |||
| буровая установка с пневматическим управлением (Yeldar Azanbayev) | |||
| air controlled rig: 3 phrases in 3 subjects |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |