复 励: 147 phrases in 17 subjects |
Air defense | 1 |
Automobiles | 4 |
Aviation | 2 |
Compressors | 1 |
Construction | 4 |
Electric machinery | 50 |
Electronics | 26 |
General | 7 |
Hydroelectric power stations | 1 |
Information technology | 2 |
Metallurgy | 2 |
Rail transport | 1 |
Shipbuilding | 3 |
Space | 4 |
Technology | 36 |
Telecommunications | 1 |
Wind Energy | 2 |