英语词汇“navigation aid”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	navigation aid
释义	navigation aid freq. 2 dict. 1 un.航标；导航系统；助航设备 [网络]助航设施；导航辅助；导航设施
随便看	photocell light checks photocell light meter photocell matrix photocell, photovoltaic cell photocell pickoff photocell pick-off photocell pick off photocell pick up photocell pick-up photocell pickup photocell pyrometer photocell relay photo-cells photocells photocell sensitivity photocell switch photocell telemetering commutator photocell tracking photocell type smokemeter photocell whiteness meter photo center photocenter photocentre photocentric orbit photoception

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