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信号设备: 134 phrases in 15 subjects |
Aviation | 4 |
Communications | 1 |
Electronics | 4 |
Forestry | 2 |
General | 35 |
Military | 9 |
Nautical | 4 |
Nuclear and fusion power | 1 |
Oil processing plants | 1 |
Radio | 1 |
Rail transport | 7 |
Shipbuilding | 2 |
Technology | 61 |
Telecommunications | 1 |
Telephony | 1 |