 |
| |||
| напорная характеристика | |||
| head characteristic: 6 phrases in 4 subjects |
| Makarov | 1 |
| Public utilities | 1 |
| Technology | 3 |
| Thermal engineering | 1 |
|
| |||
| напорная характеристика | |||
| head characteristic: 6 phrases in 4 subjects |
| Makarov | 1 |
| Public utilities | 1 |
| Technology | 3 |
| Thermal engineering | 1 |