| |||
| битовая структура | |||
|
bit structure : 14 phrases in 5 subjects |
| Drilling | 1 |
| Oil / petroleum | 6 |
| Oil and gas technology | 1 |
| Oilfields | 2 |
| Technology | 4 |
| |||
| битовая структура | |||
|
bit structure : 14 phrases in 5 subjects |
| Drilling | 1 |
| Oil / petroleum | 6 |
| Oil and gas technology | 1 |
| Oilfields | 2 |
| Technology | 4 |