 |
| |||
| sub (any small component of the drillstring, such as a short drill collar or a thread crossover vbadalov) | |||
| элемент буровой колонны: 1 phrase in 1 subject |
| Oil and gas | 1 |
|
| |||
| sub (any small component of the drillstring, such as a short drill collar or a thread crossover vbadalov) | |||
| элемент буровой колонны: 1 phrase in 1 subject |
| Oil and gas | 1 |