?? ???1.79????????????????????
![](https://image.chezhanri.com/2019/0813/20190813170443474.jpg)
????:1???95???:????????????
2?????
3???????????????
4???????
5?????
?????8?????????????????????22?? (?????? ???????? ????)??????????22?????????,?,?????????????????1.79???,????11.56%,???1.68????????????,????4.79%?
????????????????????????????????????,????,?????????????“??????????”???????????
???,????,?,??????????????????????
??????????????,???????????????????????,??????????????????????,???????????????????????????
??????,??????????????????????????????????????,??,????????????????????????????????,????(???) ???:????????