 |
| |||
| долото стандартного диаметра (MichaelBurov) | |||
| gage bit: 50 phrases in 7 subjects |
| Drilling | 4 |
| Oil / petroleum | 16 |
| Oil and gas | 13 |
| Oil and gas technology | 3 |
| Oilfields | 8 |
| Sakhalin | 2 |
| Technology | 4 |
|
| |||
| долото стандартного диаметра (MichaelBurov) | |||
| gage bit: 50 phrases in 7 subjects |
| Drilling | 4 |
| Oil / petroleum | 16 |
| Oil and gas | 13 |
| Oil and gas technology | 3 |
| Oilfields | 8 |
| Sakhalin | 2 |
| Technology | 4 |