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klaxon device |
电报警器 : 57 phrases in 14 subjects |
Architecture | 1 |
Aviation | 1 |
Electronics | 5 |
Hydroelectric power stations | 1 |
Information technology | 1 |
Metallurgy | 3 |
Nautical | 1 |
Oil / petroleum | 1 |
Refrigeration | 1 |
Shipbuilding | 1 |
Slang | 1 |
Space | 3 |
Technology | 36 |
Wind Energy | 1 |