| |||
| 轨道 | |||
| 飞机航线; ★ 航向线 | |||
| ★ 航线 | |||
| 泳道标志线 | |||
| 航线【航空】; 飞机航线 | |||
|
course-line : 28 phrases in 10 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Oil / petroleum | 2 |
| Racing and motorsport | 1 |
| Space | 5 |
| Technology | 13 |
| Transport | 1 |
| |||
| 轨道 | |||
| 飞机航线; ★ 航向线 | |||
| ★ 航线 | |||
| 泳道标志线 | |||
| 航线【航空】; 飞机航线 | |||
|
course-line : 28 phrases in 10 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 1 |
| Electronics | 1 |
| Geophysics | 1 |
| Oil / petroleum | 2 |
| Racing and motorsport | 1 |
| Space | 5 |
| Technology | 13 |
| Transport | 1 |