??????????????? ???? ?? ?????????????????? ???? ?? ??? ??????????????

????C919????

????? ????????????

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

? ??????????????????? ???? 1/5

9????????28??????????????????,??,??OD634?????11??55?,?OD634?,????????,?3??15???????????????,?,4???30????????,??????????????“????”??????=????????,??

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

???????? ?? “??????2021”_????

?? ??????????????????

????:1???????2021:??????VX

2?????????

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

4???????spa?????

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

??????????????? ???? ?? ?????????????????? ???? ?? ??? ??????????????

????C919????

????? ????????????

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

? ??????????????????? ???? 1/5

9????????28??????????????????,??,??OD634?????11??55?,?OD634?,????????,?3??15???????????????,?,4???30????????,??????????????“????”??????=????????,??

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

???????? ??