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接点 : 52 phrases in 13 subjects |
| Electric machinery | 1 |
| Electric traction | 1 |
| Electrical engineering | 3 |
| Electricity generation | 1 |
| Electronics | 5 |
| Isolation | 2 |
| Power lines | 2 |
| Power system protection | 28 |
| Rail transport | 2 |
| Telecommunications | 1 |
| Telegraphy | 1 |
| Telephony | 1 |
| Transformers | 4 |
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