| |||
| economic production (угля Ivan Pisarev) | |||
| commercial production | |||
|
рентабельная добыча : 6 phrases in 5 subjects |
| General | 1 |
| Makarov | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Technology | 1 |
| |||
| economic production (угля Ivan Pisarev) | |||
| commercial production | |||
|
рентабельная добыча : 6 phrases in 5 subjects |
| General | 1 |
| Makarov | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 2 |
| Technology | 1 |