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

2??????????

3??????????????

4???????

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

???????????????6?????????24??????????? (??????????????? ????)????????????24????(????????“????????????”)??,??“????????????????????”??,?2023????????,???80%,?????????????40%?

??,??,?????????????????????????????????????6??????????,??????????37??????????????,?????,??????????????????

???,????????????????,?????????,???????????41?27???????????????????????????8??,??????????????,???????????????,“?917”?3?????????????,?????????????????;“?????????????879”??,???????;“??77-4”???????????????4?,????25.12??????

??????????,“???????”??,?????,???C919?????,??????(???) ?????????????????????????????????:??????????????????