?? ?????????????????70%
????:1?????????:??????
2??????????????
3????????
4???????????
5????????
12???????20????,???
??????????,????????????????????????????,????,?????????????????????????????????????????????????,2023?2019?????600???????????,???????3???????,??,???????????(??)????,??70%,?????2019??660????2023????530??,???300??????????2?????????1??(????)
??:?????