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

2???????

3??????v

4???????????

5???????????

?????????????? ?? ????????? ??

?:?? ??????

??????

500????

?? 1/7

7????????29??16????????25??,??B-919H?C919?MU9006???,?????,?????C919??,???3??????C919?????,??C919???7?????2024????7????28?,?C919??3031???????????????????,??????????40.5???????B-919H????C919?MU9006??

??:???????

???????????????? ?