 |
| |||
| collar end of the casing (Yeldar Azanbayev) | |||
| collar end; coupling end | |||
| box pipe end | |||
| муфтовый конец трубы: 10 phrases in 3 subjects |
| Drilling | 6 |
| Oil and gas technology | 2 |
| Oilfields | 2 |
|
| |||
| collar end of the casing (Yeldar Azanbayev) | |||
| collar end; coupling end | |||
| box pipe end | |||
| муфтовый конец трубы: 10 phrases in 3 subjects |
| Drilling | 6 |
| Oil and gas technology | 2 |
| Oilfields | 2 |