?? (????????????????)??????
![](https://image.chezhanri.com/2019/0313/20190313110310627.jpg)
????:1?????????:??????
2?????????
3?????????
4??????????
5???????600
????????????????9???????????5????? (???????????????????????? ??????????)??5?,???????,??????4400???????,????????
?????????????,?????????????????????????????????????
???????????????,??15????????,??????????????????????,????,??1000??????
?????????????,????,?????????,?????????????????
??,?????????????????400?????,?????????85%,?????????????????????????????????45%,??,????????????
????????????????????????,???????????????????13????????,?????,??????????????????3??,???????????????????????,???????????????????,??1500????????????????????????
??????,???????????????,?????????,?,???????????????,?????????????
2020???,???32??,?3?????????????????????????????????2022?,???300??????,?????????????????2023?????????,?????,??????????????????,???????????
??????????????????????,??????????????????,?????????????,????,???,??,???,???????????????,??????,??????????????,??????????(?????????????????????) ?????????:??????????