 |
| |||
| onde moyenne | |||
| средняя волна: 3 phrases in 3 subjects |
| Construction | 1 |
| Hydraulic engineering | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| onde moyenne | |||
| средняя волна: 3 phrases in 3 subjects |
| Construction | 1 |
| Hydraulic engineering | 1 |
| Natural resourses and wildlife conservation | 1 |