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| 列車集中制御 | |||
| comando: 24 phrases in 11 subjects |
| Automatic control | 1 |
| Electric traction | 7 |
| Electrical engineering | 1 |
| Microsoft | 3 |
| Power system protection | 4 |
| Rail transport | 3 |
| Sound recording | 1 |
| Telecommunications | 1 |
| Telegraphy | 1 |
| Transformers | 1 |
| Video recording | 1 |
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