活节 : 278 phrases in 29 subjects |
Armored vehicles | 1 |
Astronautics | 1 |
Automated equipment | 1 |
Automobiles | 1 |
Aviation | 5 |
Business | 2 |
Clerical | 3 |
Construction | 2 |
Drilling | 1 |
Ecology | 1 |
Education | 7 |
Electronics | 5 |
Forestry | 4 |
General | 87 |
Geography | 2 |
Helicopters | 6 |
Jet engines | 1 |
Mechanic engineering | 1 |
Mechanics | 1 |
Medical | 6 |
Metallurgy | 1 |
Military | 4 |
Oil and gas | 2 |
Oil processing plants | 5 |
Oilfields | 1 |
Radiolocation | 1 |
Religion | 7 |
Technology | 118 |
Welding | 1 |