 |
| |||
| подготовка нефти (первичная); первичная | |||
| processing of oil: 7 phrases in 4 subjects |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |
|
| |||
| подготовка нефти (первичная); первичная | |||
| processing of oil: 7 phrases in 4 subjects |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |