 |
| |||
| lowerer | |||
| 降落机: 60 phrases in 15 subjects |
| Architecture | 1 |
| Astronautics | 1 |
| Aviation | 17 |
| Economy | 1 |
| General | 10 |
| International trade | 1 |
| Nautical | 3 |
| Navigation | 1 |
| Oil / petroleum | 1 |
| Radio | 1 |
| Shipbuilding | 1 |
| Skydiving | 1 |
| Space | 1 |
| Technology | 19 |
| United Nations | 1 |
|
| |||
| lowerer | |||
| 降落机: 60 phrases in 15 subjects |
| Architecture | 1 |
| Astronautics | 1 |
| Aviation | 17 |
| Economy | 1 |
| General | 10 |
| International trade | 1 |
| Nautical | 3 |
| Navigation | 1 |
| Oil / petroleum | 1 |
| Radio | 1 |
| Shipbuilding | 1 |
| Skydiving | 1 |
| Space | 1 |
| Technology | 19 |
| United Nations | 1 |