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| bez obciążenia; na biegu jałowym | |||
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| bieg jałowy turbozespołu wiatrowego | |||
| em vazio: 21 phrases in 9 subjects |
| Electric motors | 5 |
| Electric traction | 1 |
| Electricity generation | 1 |
| Electronics | 3 |
| Forestry | 1 |
| Piezoelectric crystals | 1 |
| Power electronics | 5 |
| Transformers | 1 |
| Welding | 3 |