 |
| |||
| nature de la roche | |||
| nature du terrain | |||
| свойства горной породы: 13 phrases in 3 subjects |
| Geology | 7 |
| Mining | 5 |
| Oil and gas technology | 1 |
|
| |||
| nature de la roche | |||
| nature du terrain | |||
| свойства горной породы: 13 phrases in 3 subjects |
| Geology | 7 |
| Mining | 5 |
| Oil and gas technology | 1 |