?? ???????????
????:1??????98?:??????????
2?????????
3???????
4???????
5??????
??????????? ? ?? ?????????????
?????????????C919?????
???????(??)???
????? 1/76???????????15?????????,??G3??,?????????????????????,?,65??????
???:?????
? ????????????????????C919?????
???????(??)???
????? 1/76???????????15?????????,??G3??,?????????????????????,?,65??????
???:?????
? ???????????:1??????98?:??????????
2?????????
3???????
4???????
5??????
??????????? ? ?? ?????????????
?????????????C919?????
???????(??)???
????? 1/76???????????15?????????,??G3??,?????????????????????,?,65??????
???:?????
? ???????