navigation aid
短語(yǔ)詞組
- navigation -aid system 航標(biāo)系統(tǒng)
- Navigation aid supervision 航標(biāo)監(jiān)管
- ground radio navigation aid 地面無(wú)線電導(dǎo)航設(shè)備
- navigation aid facility 助航設(shè)施
- radar triangle navigation aid 雷達(dá)三角導(dǎo)航設(shè)備
- navigation aid administration 航標(biāo)管理
- ship radio navigation aid 船載無(wú)線電導(dǎo)航設(shè)備
- radio navigation aid 無(wú)線電導(dǎo)航輔助設(shè)備
- construction of navigation aid 航標(biāo)建設(shè) 返回 navigation aid