 |
| |||
| sub (any small component of the drillstring, such as a short drill collar or a thread crossover vbadalov) | |||
| элемент буровой колонны: 1 do fraz, 1 tematyki |
| Olej i gaz | 1 |
|
| |||
| sub (any small component of the drillstring, such as a short drill collar or a thread crossover vbadalov) | |||
| элемент буровой колонны: 1 do fraz, 1 tematyki |
| Olej i gaz | 1 |