轴 环 : 232 phrases in 27 subjects |
Agriculture | 4 |
Air defense | 2 |
Automobiles | 24 |
Aviation | 1 |
Chemistry | 3 |
Compressors | 4 |
Construction | 2 |
Drilling | 2 |
Electric machinery | 9 |
Electronics | 4 |
Engineering geology | 2 |
Figure skating | 6 |
General | 6 |
Hydroelectric power stations | 5 |
Information technology | 1 |
Mechanic engineering | 6 |
Mechanics | 1 |
Metallurgy | 16 |
Nautical | 4 |
Oil / petroleum | 9 |
Polymers | 1 |
Shipbuilding | 7 |
Space | 2 |
Technology | 105 |
Textile industry | 1 |
Water resources | 1 |
Wind Energy | 4 |