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| μονάδα ελέγχου | |||
| όργανο χειρισμού; όργανο ελέγχου | |||
| στοιχείο ελέγχου | |||
| ρυθμιστής στροφών | |||
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control elements : 29 phrases in 7 subjects |
| Communications | 3 |
| Electronics | 2 |
| General | 12 |
| Information technology | 3 |
| Mechanic engineering | 6 |
| Nuclear physics | 1 |
| Transport | 2 |