短語詞組短語Navigational telegraphy system 航行警告電傳系統(tǒng)navigational drilling system 導(dǎo)向鉆井系統(tǒng)navigational lighting system 航行照明系統(tǒng)navigational satellite system [航][水運]導(dǎo)航衛(wèi)星系統(tǒng)airborne navigational system [航]機載導(dǎo)航系統(tǒng)marine navigational system 艦船導(dǎo)航系統(tǒng)decca navigational system 德卡航行系統(tǒng)ground -based navigational system 陸基導(dǎo)航系統(tǒng)world -wide navigational system 環(huán)球航行系統(tǒng) 返回 navigational system