 |
| |||
| drilling by jetting method; jet piercing | |||
| бурение гидравлическим способом: 3 phrases, 3 sujets |
| Exploitation minière | 1 |
| Forage | 1 |
| Géologie | 1 |
|
| |||
| drilling by jetting method; jet piercing | |||
| бурение гидравлическим способом: 3 phrases, 3 sujets |
| Exploitation minière | 1 |
| Forage | 1 |
| Géologie | 1 |