填 塞 : 86 phrases in 16 subjects |
Airports and air traffic control | 1 |
Armored vehicles | 2 |
Construction | 5 |
Electronics | 5 |
Food industry | 1 |
General | 28 |
Geology | 1 |
Medical | 10 |
Meteorology | 1 |
Military | 1 |
Mining | 4 |
Nautical | 1 |
Oil processing plants | 5 |
Technology | 18 |
Textile industry | 2 |
Welding | 1 |