????:1???????:??????

2????????????

3???????

4?????2024??

5?300??????????

2024?11????2????????????????,???2024??,??????ARJ21?C919???,????????????????????????????????ARJ21??C919????,???

??,ARJ21??????,C919????????????????,???????????

???1:20??C919??????C929??,1:20????????????ARJ21??,??????1:32??????????????????ARJ21????????????,C919????/????????????????????

???,ARJ21?????????????150?????,???600??,???????150????,???????1700????C919???????11?,?9???,???????????????7??,?????????70??????(????:??????)

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