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автоматический сигнал тревоги | |||
автоматический сигнал |
自动 警报 : 39 phrases in 9 subjects |
Electronics | 8 |
Firefighting and fire-control systems | 2 |
Forestry | 1 |
General | 12 |
Military | 1 |
Nautical | 4 |
Shipbuilding | 1 |
Technology | 9 |
Telecommunications | 1 |