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汞灯 : 78 phrases in 15 subjects |
Agriculture | 4 |
Architecture | 2 |
Chemistry | 1 |
Construction | 1 |
Dermatology | 4 |
Ecology | 1 |
Electronics | 10 |
General | 2 |
Lighting other than cinema | 2 |
Metallurgy | 1 |
Nautical | 2 |
Oil / petroleum | 1 |
Shipbuilding | 2 |
Technology | 44 |
Telecommunications | 1 |