| |||
| участие в регулировании частоты (MichaelBurov) | |||
|
regulation and frequency response : 4 phrases in 1 subject |
| Energy system | 4 |
| |||
| участие в регулировании частоты (MichaelBurov) | |||
|
regulation and frequency response : 4 phrases in 1 subject |
| Energy system | 4 |