| |||
| долото для роторного бурения | |||
| долото для вращательного бурения | |||
|
rotation bit : 19 phrases in 5 subjects |
| Mining | 2 |
| Oil / petroleum | 6 |
| Oil and gas | 2 |
| Oil and gas technology | 4 |
| Oilfields | 5 |
| |||
| долото для роторного бурения | |||
| долото для вращательного бурения | |||
|
rotation bit : 19 phrases in 5 subjects |
| Mining | 2 |
| Oil / petroleum | 6 |
| Oil and gas | 2 |
| Oil and gas technology | 4 |
| Oilfields | 5 |