 |
| |||
| total pressure head | |||
| total head | |||
| суммарный напор: 5 phrases in 4 subjects |
| Firefighting and fire-control systems | 1 |
| Hydrography | 1 |
| Pumps | 1 |
| Technology | 2 |
|
| |||
| total pressure head | |||
| total head | |||
| суммарный напор: 5 phrases in 4 subjects |
| Firefighting and fire-control systems | 1 |
| Hydrography | 1 |
| Pumps | 1 |
| Technology | 2 |