????:2024-07-06 08:58:51 ??:????
????:???????????:?????????
??????7?????????5???? (?????? ?????)5?????????,2024????????,???????????????????,???,???????,??????“???”?
?,???????13??????,?????????????????1?????????,1????????????,10????1????????????,?????????????,???????????
??????????????????“???? ???????”????,?????????,?,????????
?????????????????????C919??,???????????????????????
????????????????????????????????C919???????????????????????????????????????“??”?????????“???????????????????”,???“???????????????”,?,????6????????????,?????????????????????????????????????????
????,??????????????????“???”??????????????????????????????????????,???????????,?????????????????“???????????”,?????????????????,??????,?????????,??????????,???????????????????????(????????????)
????????:????????????