 |
| 叶轮: 483 phrases in 30 subjects |
| Astronautics | 4 |
| Automobiles | 2 |
| Aviation | 12 |
| Botany | 5 |
| Canada | 1 |
| Combustion gas turbines | 3 |
| Construction | 3 |
| Drilling | 2 |
| Electronics | 62 |
| Energy industry | 3 |
| Engines | 1 |
| Forestry | 1 |
| General | 116 |
| Jet engines | 11 |
| Mechanic engineering | 1 |
| Mechanics | 1 |
| Medical | 1 |
| Military | 10 |
| Mining | 3 |
| Missiles | 2 |
| Nautical | 8 |
| Navy | 1 |
| Oil and gas | 1 |
| Oil processing plants | 22 |
| Oilfields | 1 |
| Pest control | 2 |
| Shipbuilding | 3 |
| Technology | 197 |
| Textile industry | 1 |
| Thermal engineering | 3 |