1???17?????,????????12??8???????,??????????????147??????CZ3380????,????C919??????????“????”,???????“?????????”??????,?????C919??7??,?C919??1?????????C919?????????????164???,????,2.25?48.26?????,???(?? ??????? ??? ?)

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

“??????????”_????

?? C919?????????

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

2????????

3?????V

4????????98

5?????????

1???17?????,????????12??8???????,??????????????147??????CZ3380????,????C919??????????“????”,???????“?????????”??????,?????C919??7??,?C919??1?????????C919?????????????164???,????,2.25?48.26?????,???(?? ??????? ??? ?)

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