| |||
| колонна обсадных труб; обсадная колонна | |||
|
string of casing : 25 phrases in 5 subjects |
| Drilling | 1 |
| Oil / petroleum | 11 |
| Oil and gas | 5 |
| Oilfields | 3 |
| Technology | 5 |
| |||
| колонна обсадных труб; обсадная колонна | |||
|
string of casing : 25 phrases in 5 subjects |
| Drilling | 1 |
| Oil / petroleum | 11 |
| Oil and gas | 5 |
| Oilfields | 3 |
| Technology | 5 |