????:1????????:??????100?3??

2????????

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

4????????

5????????????

?6?????????????????30??????? ???????????,????????30??,??????????????????????????,????

«?????»?????,??30???,????????????,???????????2.44??????????????3???????????????,?????????????????????

2018?????????????????????????????10??????2019????????????3??????????????,??,????????346?,????????????????737 MAX8??

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

???5???????14????,??,?????????2021???????????????????????,???????????7?7???????????

??,????????,??????????????15????????????,?“?????????”????????????(??????) ???????????:???????