 |
| разделительная диафрагма: 15 phrases in 9 subjects |
| Aviation | 1 |
| Energy industry | 1 |
| Oil / petroleum | 5 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Pipelines | 1 |
| Sakhalin | 1 |
| Technology | 3 |
| Thermal engineering | 1 |
|
| разделительная диафрагма: 15 phrases in 9 subjects |
| Aviation | 1 |
| Energy industry | 1 |
| Oil / petroleum | 5 |
| Oil and gas | 1 |
| Oil and gas technology | 1 |
| Pipelines | 1 |
| Sakhalin | 1 |
| Technology | 3 |
| Thermal engineering | 1 |