 |
| |||
| шахтная добыча | |||
|
exploitation par puits : 8 phrases in 4 subjects |
| Geology | 3 |
| Mining | 2 |
| Oil and gas technology | 1 |
| Technology | 2 |
|
| |||
| шахтная добыча | |||
|
exploitation par puits : 8 phrases in 4 subjects |
| Geology | 3 |
| Mining | 2 |
| Oil and gas technology | 1 |
| Technology | 2 |