 |
| |||
| intermediate drilling (Yeldar Azanbayev) | |||
| промежуточное бурение: 4 phrases in 4 subjects |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
|
| |||
| intermediate drilling (Yeldar Azanbayev) | |||
| промежуточное бурение: 4 phrases in 4 subjects |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Oilfields | 1 |