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

2????????

3???????

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%?(??)

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