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| elétrodo | |||
| eléctrodo | |||
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| alvo de uma válvula analisadora | |||
| elektroda: 121 phrases in 14 subjects |
| Accumulators | 3 |
| Cables and cable production | 1 |
| Electric machinery | 2 |
| Electrochemistry | 11 |
| Electronics | 2 |
| Isolation | 1 |
| Lighting other than cinema | 1 |
| Piezoelectric crystals | 2 |
| Radio | 1 |
| Radiobiology | 19 |
| Thermal Energy | 31 |
| Transport | 1 |
| Vacuum tubes | 33 |
| Welding | 13 |