navigational aid
短語(yǔ)詞組
- navigational visual aid 目視助航設(shè)施
- navigational lighting aid 助航燈光
- shipborne navigational aid 船載導(dǎo)航設(shè)備
- NAVAID Navigational Aid 導(dǎo)航設(shè)施
- Air navigational aid 助航設(shè)施
- nab navigational aid to bombing 轟炸導(dǎo)航設(shè)備
- AIRNAVAI D Air Navigational Aid 導(dǎo)航輔助設(shè)備 返回 navigational aid