控制开关 : 227 phrases in 25 subjects |
Agriculture | 2 |
Air defense | 2 |
Artificial intelligence | 1 |
Automobiles | 32 |
Aviation | 18 |
Business | 2 |
Construction | 1 |
Drilling | 1 |
Electric machinery | 7 |
Electronics | 48 |
General | 1 |
Geophysics | 2 |
Hydroelectric power stations | 13 |
Information technology | 5 |
Metallurgy | 5 |
Nautical | 1 |
Oil / petroleum | 2 |
Oil processing plants | 2 |
Rail transport | 3 |
Refrigeration | 2 |
Shipbuilding | 3 |
Space | 8 |
Technology | 55 |
Telecommunications | 8 |
Wind Energy | 3 |