????9????30? (???? ????????)“???????????,???????,??????……”9??29?????,????????CZ3539???????????C919???????,?????????«???????????????»????????????????????????????????“??”“??????????????”?????,???????75????????

??“?”?????????????????? ????????????

???????,??????????????????????????????????,???????“???????????”????????????,???????????«?????????»???,?????????????????,????????

??????????????????,????????????,?????????????????????????????C919????,??:“??????,???????,????????,???”??????????????????

????“??????”????????

“C919???????,????75??,??????,????????????”???????

???????????,????????????????????????????30????“???????????”????,??????75??(???????????????)

?????????:??????? “???????????”_????

?? ????C919? ????“???????”??????

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

2?????

3????????

4?600??????????

5??????????

????9????30? (???? ????????)“???????????,???????,??????……”9??29?????,????????CZ3539???????????C919???????,?????????«???????????????»????????????????????????????????“??”“??????????????”?????,???????75????????

??“?”?????????????????? ????????????

???????,??????????????????????????????????,???????“???????????”????????????,???????????«?????????»???,?????????????????,????????

??????????????????,????????????,?????????????????????????????C919????,??:“??????,???????,????????,???”??????????????????

????“??????”????????

“C919???????,????75??,??????,????????????”???????

???????????,????????????????????????????30????“???????????”????,??????75??(???????????????)

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