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| تفريغ الخلية أو البطارية | |||
| تفريغ كهربائي | |||
| wyładowanie: 52 phrases in 12 subjects |
| Accumulators | 2 |
| Electric motors | 3 |
| Electrical engineering | 1 |
| Electricity generation | 1 |
| Electronics | 2 |
| Isolation | 18 |
| Lighting other than cinema | 4 |
| Magnetics | 3 |
| Piezoelectric crystals | 1 |
| Semiconductors | 1 |
| Thermal Energy | 5 |
| Vacuum tubes | 11 |