| |||
| обсадная колонна полной длины | |||
|
full casing string : 3 phrases in 2 subjects |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| |||
| обсадная колонна полной длины | |||
|
full casing string : 3 phrases in 2 subjects |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |