 |
| |||
| ординарный поток | |||
|
ordinary flow : 8 phrases in 4 subjects |
| Hydraulic engineering | 4 |
| Hydrology | 2 |
| Makarov | 1 |
| Water resources | 1 |
|
| |||
| ординарный поток | |||
|
ordinary flow : 8 phrases in 4 subjects |
| Hydraulic engineering | 4 |
| Hydrology | 2 |
| Makarov | 1 |
| Water resources | 1 |