流量控制: 177 phrases in 30 subjects |
Air defense | 1 |
Animal husbandry | 1 |
Automobiles | 9 |
Aviation | 13 |
Business | 1 |
Chemistry | 3 |
Communications | 1 |
Compressors | 4 |
Computer networks | 1 |
Construction | 2 |
Ecology | 1 |
Electric machinery | 1 |
Electronics | 18 |
General | 7 |
Information technology | 5 |
Mechanics | 2 |
Metallurgy | 19 |
Mining | 6 |
Multimedia | 3 |
Navigation | 2 |
Oil / petroleum | 13 |
Oil processing plants | 1 |
Refrigeration | 7 |
Shipbuilding | 1 |
Space | 8 |
Steel production | 2 |
Technology | 33 |
Telecommunications | 5 |
Water resources | 2 |
Wind Energy | 5 |