時(shí)間:2014-06-13 13:17來(lái)源:藍(lán)天飛行翻譯 作者:航空詞典
vibrating beam accelerometer vibrate acoustical test visual envelope visual extinction meter D flow visual gain visual head- up image altn vent CB dome visual lag visual laydown delivery visual lead time visual lead obrd visual manoeuvring area runway ovrd visual met conditions visual observables visual observator visual orientation |