Cách đọc kèo châu ÂuǵʱѾɫʱܱûһںڰаѳ̧˼۴˴óսйŵľĺͲᶯҡ
ƵһӽֻƲ¿꼸º˲䱬ը˵кijӺ֯20169³1ijӳԼͨijļȰͶȻڵڶijijİ칫
ƲôʩʵʩЩƲö붾Ʒ˽ϴǮܵƲõ˺20ҹ˾ڵʲͬʱֹǽн427쵼˽ڰŵ뺫ͳʾƽʱʱʱѹͳһʱ()תѱѺIJƲѱ㲢䱣ܵIJƲתѱIJƲ;
˺ҪĿΪҪʵһΰļѧɹ𰸾ͺ֮ǩӳ뾳ͣʱϣʡкĻϼֻܺ4Сʱ̵ĺοܹʱںͣøɲDZʾһλUberķбʾҰȫίԱᣨNTSBеһԼǶNTSB¼ľͬʱǶԶʻĿһȫİȫNTSBǰϯChristopherHartΪǵĵ·ȫϵͳȫµԱѵǶڽмϣܹ֮¶