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| desconexión automática | |||
| conmutación automática | |||
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| interruptor automático de baja tensión | |||
| interruptor automático | |||
| automatic switching: 50 phrases in 9 subjects |
| Communications | 11 |
| Computer numerical control | 2 |
| Electronics | 23 |
| General | 4 |
| Information technology | 4 |
| Measuring instruments | 1 |
| Power electronics | 1 |
| Technology | 3 |
| Telecommunications | 1 |