????:1??????:??????????

2????????

3????????????

4???????????

5???????

?7?7??,???????????????????,??????

?6?30?????????????????????????????,????,?????????????????2.44???????,??????????????????3??????????4.55????,??

2018??10?2019?3????????,????????????????,??346????????,???737 MAX 8????

2021??1???,???????,???????????????????,????????????????????????,?25????????????1?7????????????????

??????????5????14?,??,??????????????2021?????,????????7???7??????????,??????????(??? ???????????????????????????????)

?????????:????????????