PELV систем | |
el.mach. | PELV-system |
снага: 64 phrases in 12 subjects |
Economy | 5 |
Electricity generation | 14 |
Electronics | 2 |
Lighting other than cinema | 2 |
Magnetics | 2 |
Mathematics | 1 |
Power electronics | 2 |
Power system protection | 2 |
Statistics | 2 |
Thermal Energy | 9 |
Transformers | 3 |
Vacuum tubes | 20 |