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| дальний сигнал | |||
| предупредительная сигнализация | |||
| оповестительный сигнал | |||
| предупредительный сигнал; упреждающий сигнал | |||
| 预告 信号: 13 phrases in 6 subjects |
| Aviation | 1 |
| Electronics | 1 |
| General | 7 |
| Rail transport | 1 |
| Technology | 2 |
| Telecommunications | 1 |
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