 |
| |||
| колонна обсадных труб | |||
| обсадная колонна | |||
|
casing column : 16 phrases in 6 subjects |
| Construction | 4 |
| Drilling | 3 |
| Oil / petroleum | 4 |
| Oil and gas technology | 1 |
| Production | 1 |
| Technology | 3 |
|
| |||
| колонна обсадных труб | |||
| обсадная колонна | |||
|
casing column : 16 phrases in 6 subjects |
| Construction | 4 |
| Drilling | 3 |
| Oil / petroleum | 4 |
| Oil and gas technology | 1 |
| Production | 1 |
| Technology | 3 |