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

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