 |
| 活门: 1350 phrases in 34 subjects |
| Aeronautics | 1 |
| Archaic | 2 |
| Armored vehicles | 2 |
| Astronautics | 7 |
| Automated equipment | 2 |
| Automobiles | 15 |
| Aviation | 37 |
| Business | 2 |
| Chemistry | 1 |
| Construction | 6 |
| Corporate governance | 1 |
| Electronics | 9 |
| Forestry | 1 |
| General | 133 |
| Jet engines | 19 |
| Machine components | 1 |
| Mechanic engineering | 1 |
| Mechanics | 3 |
| Medical | 5 |
| Metallurgy | 2 |
| Military | 20 |
| Mining | 2 |
| Missiles | 1 |
| Nautical | 5 |
| Oil / petroleum | 3 |
| Oil and gas | 1 |
| Oil and gas technology | 3 |
| Oil processing plants | 23 |
| Oilfields | 2 |
| Rail transport | 2 |
| Resins | 1 |
| Shipbuilding | 1 |
| Technology | 1035 |
| Textile industry | 1 |