 |
| |||
| подземная каверна-хранилище жидких углеводородов (MichaelBurov); подземная каверна-хранилище (MichaelBurov) | |||
| underground cavern storage: 7 phrases in 5 subjects |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 3 |
| Oilfields | 1 |
| Technology | 1 |