 |
| |||
| primary flight line | |||
| 本航线: 29 phrases in 8 subjects |
| Aviation | 1 |
| Business | 1 |
| Commerce | 1 |
| Economy | 2 |
| Electronics | 1 |
| Geophysics | 1 |
| International trade | 2 |
| Technology | 20 |
|
| |||
| primary flight line | |||
| 本航线: 29 phrases in 8 subjects |
| Aviation | 1 |
| Business | 1 |
| Commerce | 1 |
| Economy | 2 |
| Electronics | 1 |
| Geophysics | 1 |
| International trade | 2 |
| Technology | 20 |