 |
| |||
| development well; treatment well (google.com wandervoegel) | |||
| operating well (подземного газогенератора) | |||
| child well (grafleonov) | |||
| рабочая скважина: 17 Phrasen in 6 Thematiken |
| Bergbau | 4 |
| Erdöl | 2 |
| Erdöl und Erdgas | 4 |
| Geschäftsvokabular | 2 |
| Seismologie | 1 |
| Straßenbau | 4 |