 |
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| aid to air navigation; air-navigation aid; air-navigation facility (spezifisch) | |||
| air navigation facility | |||
| |||
| aids to air navigation | |||
|
Flugnavigationseinrichtung : 2 短语, 1 学科 |
| 技术 | 2 |
|
| |||
| aid to air navigation; air-navigation aid; air-navigation facility (spezifisch) | |||
| air navigation facility | |||
| |||
| aids to air navigation | |||
|
Flugnavigationseinrichtung : 2 短语, 1 学科 |
| 技术 | 2 |