 |
| |||
| график использования буровых растворов | |||
|
mud changeover program : 3 phrases, 2 sujets |
| Pétrole / pétrole | 2 |
| Technologie | 1 |
|
| |||
| график использования буровых растворов | |||
|
mud changeover program : 3 phrases, 2 sujets |
| Pétrole / pétrole | 2 |
| Technologie | 1 |