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служба связи | |||
обслуживание связью |
signal service: 35 phrases in 12 subjects |
Astronautics | 1 |
Communications | 2 |
Electronics | 1 |
General | 1 |
Mass media | 3 |
Microelectronics | 1 |
Military | 5 |
Nautical | 1 |
Navigation | 1 |
Road traffic | 1 |
Technology | 10 |
Telecommunications | 8 |