?? ??????????????????ARJ21????????
![](https://image.chezhanri.com/2019/0528/20190528174717779.jpg)
????:1??????95?:????????2023
2?????
3?????????
4??????????
5??????????
8????????????25???????????????,???????????(?)???????????????????ARJ21????,?44??,????????????????????????????????
?????ARJ21???????????????????????“??”?????????
?,???,??????????????,???????????????????????????4411?????2020?????7????????,ARJ21??????????????,????15?,??,??????????ARJ21?????
???,?????????,????,????????????????,???????????????,???????????ARJ21?????????,?ARJ21????????????????
2024?7?????,??ARJ21???????
8??21????,?????????????ARJ21“????”??????????????,ARJ21???????????,????????????,??ARJ21????????????????,???????????????????(????????????????????? ??? ?????? ? ???? ??????)
??????:??????????????