???????????ARJ21???????????? ??

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

????6???????????????6? (????????? ???????)???,??????????????ARJ21?6??6????,?????????????18?12??????????????????,?ARJ21???????

6?6????????????,ARJ21???,?????????????????(??????????????? ???????????????????????????)????????????/??????

?ARJ21?YG9097??,?????????,??ARJ21??????,ARJ21????

6?6???,ARJ21?????(???? ????)???????/?????

?????????????????ARJ21????2020????????????5?????????????????,2023??????????????1???????,??10?2????????????????????????ARJ21?????10???,??2778?,???????????

?,???ARJ21?????????,?,????????????,???????????“??”???????????????????(?)

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