 |
| |||
| combination drilling (ударное и вращательное) | |||
| sonic combination drilling; combination drilling (канатное и вращательное) | |||
| joint drilling | |||
| комбинированное бурение: 16 phrases in 5 subjects |
| Drilling | 1 |
| Mining | 3 |
| Oil / petroleum | 9 |
| Oil and gas | 2 |
| Transport | 1 |
|
| |||
| combination drilling (ударное и вращательное) | |||
| sonic combination drilling; combination drilling (канатное и вращательное) | |||
| joint drilling | |||
| комбинированное бурение: 16 phrases in 5 subjects |
| Drilling | 1 |
| Mining | 3 |
| Oil / petroleum | 9 |
| Oil and gas | 2 |
| Transport | 1 |