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خصائص
حركية
| خصائص | |
| vac.tub. | карактеристика |
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| карактеристика | |||
| خصائص: 23 phrases in 7 subjects |
| Accumulators | 1 |
| Electrical engineering | 2 |
| Electricity generation | 2 |
| Magnetics | 1 |
| Microsoft | 1 |
| Power system protection | 1 |
| Vacuum tubes | 15 |