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| em circuito aberto | |||
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a circuito aperto : 27 phrases in 13 subjects |
| Accumulators | 1 |
| Chemistry | 1 |
| Communications | 1 |
| Electrochemistry | 1 |
| Electronics | 10 |
| General | 1 |
| Information technology | 1 |
| Labor law | 1 |
| Mechanic engineering | 5 |
| Metallurgy | 1 |
| Technology | 2 |
| Transformers | 1 |
| Transport | 1 |