| |||
отварање | |||
| |||
окидање |
apertura : 22 phrases in 10 subjects |
Accumulators | 1 |
Economics | 1 |
Electric machinery | 1 |
Electrical engineering | 2 |
Electricity generation | 3 |
Electronics | 3 |
Power electronics | 1 |
Power system protection | 7 |
Thermal Energy | 2 |
Vacuum tubes | 1 |