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2?????150??

3?????????

4?????????

5????????????

8????????28??,?,?????C919??,????????(??)????,???(??)???(??)?????C919???????????????????????C919???

???????????C919?????????????,???158??,???8????150?????C919??,??164?????????????,????????8?????18???138??

?????????,???????9??C919??,??(??)??????????,C919??,??15??????,???????????????????????5?????,????3600?????????,????????????????1??????????????

????, C919??????????????????,??158??192???,????4075????????????5555?????????????????C919?????,?????????????(?? ??????? ???? ???????)

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