 |
| |||
| débit d'étiage | |||
| меженный расход: 3 phrases in 2 subjects |
| Hydraulic engineering | 1 |
| Natural resourses and wildlife conservation | 2 |
|
| |||
| débit d'étiage | |||
| меженный расход: 3 phrases in 2 subjects |
| Hydraulic engineering | 1 |
| Natural resourses and wildlife conservation | 2 |