| |||
| шарошечное буровое долото | |||
| |||
| шарошечное буровое долото | |||
|
roller drill bit : 15 phrases in 5 subjects |
| Makarov | 1 |
| Mining | 1 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Oilfields | 10 |
| |||
| шарошечное буровое долото | |||
| |||
| шарошечное буровое долото | |||
|
roller drill bit : 15 phrases in 5 subjects |
| Makarov | 1 |
| Mining | 1 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
| Oilfields | 10 |