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| electrical relay; relay | |||
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| relays | |||
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relaer : 71 phrases in 11 subjects |
| Communications | 5 |
| Electric machinery | 1 |
| Electronics | 44 |
| General | 3 |
| Information technology | 4 |
| Mechanic engineering | 2 |
| Microsoft | 1 |
| Patents | 1 |
| Power system protection | 7 |
| Rail transport | 2 |
| Transport | 1 |