?? ?????:1???????????????????5?80%
![](https://image.chezhanri.com/2019/1216/49565f954ef7052fcab1347e74ef44ac.jpg)
????:1????????????:?????????
2????????????
3??????
4????????????
5?????????
?????????????6?18?????6?????????????????,????????????3?,??????????,???,7????????????????????4??????????????????,31???????????????????(?????)??????????1-5??,???????17.5%,??50%;1-5??????????????????????????,??80%,???????????????????????????????????,?????????????,????????????(????)
?????????????????????????:??????????????