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

2??????398?????

3???????

4???2021???

5?????

???2??3?????? (??????? ????? ?)??????????????3??,??,???16848??,??268.7?????????????1.69??,??13.0%?17.1%?16.5%,???

?????????????????????????? ???? ????????

??,????????,?????,???????????????????????????????????????,?????8.6???,?????9????1??25??????95166??,?????,?????????90%,?????????????????,????????????

????????????????,??????,???????????????????????????????????????????????????????????????????????????????????????????????B787?A330?A350??????????????

?? ?? ?

?,?????????????????????????????????????????????????????????????,?????????,?????-?????-??????-?????????????????????-??-????-???????????????-???,??

?????????,???16???????????,??80?????????,?????????,?????????????????6.7?????,?????????84.4%?(?)

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