 |
| подпорный уровень: 181 phrases in 11 subjects |
| Agriculture | 1 |
| Bridge construction | 3 |
| Construction | 9 |
| Ecology | 4 |
| Geography | 1 |
| Hydraulic engineering | 58 |
| Hydroelectric power stations | 2 |
| Makarov | 32 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 62 |
| Water resources | 8 |