 |
| |||
| лопастное долото (Yuriy Melnikov) | |||
|
wing bit : 47 phrases in 7 subjects |
| Construction | 3 |
| Geology | 2 |
| Mining | 12 |
| Oil / petroleum | 18 |
| Oil and gas technology | 3 |
| Oilfields | 4 |
| Technology | 5 |
|
| |||
| лопастное долото (Yuriy Melnikov) | |||
|
wing bit : 47 phrases in 7 subjects |
| Construction | 3 |
| Geology | 2 |
| Mining | 12 |
| Oil / petroleum | 18 |
| Oil and gas technology | 3 |
| Oilfields | 4 |
| Technology | 5 |