?? ???????????:“??????”???6400???
![](https://image.chezhanri.com/2019/0812/20190812143209596.jpg)
????:1?????90????:????????
2?????????????
3??????
4?????v×
5??????
???????????????????6??????????????????????????????18?????????? ??????????18????????“?????????????”??????,?????????????,???????????????????“??????????”????????6400??????????????????
?????????,?????????????????????,???,????????????????????,????????:
??????,??????????????????????,????????????“???”????????????6400?????????????????????,???,??????????????????????80%??
??????????????????????????????????????,??????????????????,????63???????????????,??????????,?????????2020?????????,??,??????????,???,????????????????????????????,?????????????,???????????88%?
??????????????????????????,?????????,??,?????????????????????????????????,???????,???????????????????????????,??10%???????????,??????212.3?????????????
??????,???,?????,?????????????????,????????,??????????????????????,??,?,??????????????,???? ???????:???