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投影仪 : 148 phrases in 22 subjects |
Advertising | 2 |
Agriculture | 3 |
Architecture | 1 |
Automobiles | 1 |
Aviation | 5 |
Construction | 2 |
Earth sciences | 2 |
Electronics | 12 |
Engineering geology | 1 |
Exhibitions | 2 |
General | 9 |
Geology | 1 |
Metallurgy | 4 |
Multimedia | 3 |
Navigation | 1 |
Oil / petroleum | 4 |
Polymers | 1 |
Radio | 1 |
Remote sensing | 1 |
Shipbuilding | 1 |
Space | 12 |
Technology | 79 |