????? ???????1??????268????????
??????2?????3?? (?????????????????????????? ???)??3??,??1??????,??????16848???????,????????268.7?????????????1.69??,???13.0%?17.1%?16.5%,???
??,?????,???????????????????????????????????????,??1?????????8.6???????,?????9????????1?????25??95166??????,??,??????90%,???????????????????????????????????“?????”??????????????
??,??,????,??????????????????????????????,????????????????????????????????????B787?A330?A350???
??????,????????????????????????????????????????????????????????????????????????,????,???????????????????????????????????????????????????????????,???
???????????????,???????16???????????,???80????????????,??1??,?6.7?,?????????84.4%?(?????) ???:???