| |||
| bit nozzle | |||
| drilling bit jet nozzle | |||
|
сопло долота : 10 phrases in 4 subjects |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |
| Technology | 4 |
| |||
| bit nozzle | |||
| drilling bit jet nozzle | |||
|
сопло долота : 10 phrases in 4 subjects |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |
| Technology | 4 |