????????????268.7??? ????
????????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%?(??)
???:?????????????????