????:1???????600??????:???????????

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???

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???,??????????16??,???????????????80?????????,??1?,?????6.7??,??????84.4%?(?????????????) ???:???