navigational system
短语词组
- Navigational telegraphy system 航行警告電傳系統
- navigational drilling system 導曏鑽井系統
- navigational lighting system 航行照明系統
- navigational satellite system [航][水運]導航衛星系統
- airborne navigational system [航]機載導航系統
- marine navigational system 艦船導航系統
- decca navigational system 德卡航行系統
- ground -based navigational system 陸基導航系統
- world -wide navigational system 環球航行系統 返回 navigational system