| |||
| фреквенција мреже | |||
|
power/frequency : 10 phrases in 5 subjects |
| Electrical engineering | 1 |
| Electricity generation | 5 |
| Power system protection | 1 |
| Thermal Energy | 1 |
| Vacuum tubes | 2 |
| |||
| фреквенција мреже | |||
|
power/frequency : 10 phrases in 5 subjects |
| Electrical engineering | 1 |
| Electricity generation | 5 |
| Power system protection | 1 |
| Thermal Energy | 1 |
| Vacuum tubes | 2 |