2024?????????????????
????:2024-11-03 16:11:46 ??:????
????:?????:??150???????
??“?”????????????????????????????? ? ??
????C919????????????????ARJ21??????? ?? ????????????
??C919??ARJ21??????????????? ?? ??????
?“?????”???K-8?????????????? ????????????? ?
???“?”????K-8????????? ? ?????
?????C919????????? ??? ?????
????? ????????????? ?????
?????????????? ? ????????????
?“???”???? ?????? ???
????ARJ21??????????????????? ????? ????
??????????????:???
????
