????:1?????:???????vx

2?????????

3??????????

4???????

5???????

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