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

2?????????

3???????????????

4??????????

5????????

12??????4??,????C919????????“??-????”?????????11??08?????????????,?????C919?MU5385??,????142?????,??????????????????????“????”?????????????C919???????????“???”,???????????????????????????????????,?C919???8??????????C919??????,???????C919???????

????C919???,???????B-657T??????C919????????C919???????,????????“?????”??,?????????WiFi?,????????????????????,??????,???(????? ? ???????? ???? ?? ????)

??:??????