?? ?????????????
![](https://image.chezhanri.com/2019/1205/87e67d98d56d6fb0c87366078395145d.jpg)
????:1???????:?????????????
2????????????
3???????????
4???????
5??????????????
??????? ??????????????? ??
?????????
?????C919???
![](http://i2.chinanews.com.cn/simg/hd/2024/09/01/96e74f2e11cd4b0bb32b88943f9ed118.jpg)
![](http://i2.chinanews.com.cn/simg/hd/2024/09/01/2c21c480f44c48c088111539e1a8d68c.jpg)
![????????????](http://i2.chinanews.com.cn/simg/hd/2024/08/30/wc200x133_2492b4f8073543f3bf17995e072fd336.jpeg)
??
?![?????????????](/fileftp/2022/06/2022-06-07/U719P4T47D50347F24534DT20220607152528.png)
![???](/fileftp/2022/06/2022-06-07/U719P4T47D50348F24533DT20220607153442.png)
9???1?????????????????7????,??????????,?????????????2024??????????
?????:???
???? ??