 |
| |||
| обсадные трубы с трапецеидальной резьбой | |||
| buttress casing: 8 phrases in 6 subjects |
| General | 1 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Pipelines | 1 |
| Tengiz | 1 |
|
| |||
| обсадные трубы с трапецеидальной резьбой | |||
| buttress casing: 8 phrases in 6 subjects |
| General | 1 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 1 |
| Pipelines | 1 |
| Tengiz | 1 |