?? ???268.7???? ????????????
????:1????:?????????
2??????
3????????
4???500?4????????
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%?(??????)
??????:??????