| |||
| одношарошечное долото | |||
| лопастное долото | |||
|
blade bit : 68 phrases in 10 subjects |
| Caspian | 1 |
| Drilling | 2 |
| General | 1 |
| Geology | 1 |
| Makarov | 2 |
| Oil / petroleum | 22 |
| Oil and gas | 11 |
| Oil and gas technology | 11 |
| Oilfields | 13 |
| Technology | 4 |
| |||
| одношарошечное долото | |||
| лопастное долото | |||
|
blade bit : 68 phrases in 10 subjects |
| Caspian | 1 |
| Drilling | 2 |
| General | 1 |
| Geology | 1 |
| Makarov | 2 |
| Oil / petroleum | 22 |
| Oil and gas | 11 |
| Oil and gas technology | 11 |
| Oilfields | 13 |
| Technology | 4 |