?? ????????????????7???13.4%
![](https://image.chezhanri.com/2019/0312/20190312111715835.jpg)
????:1????????????:??????????
2????????????
3??????????
4?????vx
5??????95?
???????,?????????????????17???,??,??,??????,???????
?????????????????????17???,???????????13.4%??????????,???????????????????
????,?????17??,??0.6%?
??????????8190????,?????2.2%;
????????????????????????4.3???????????,??4.1%?
??,??????????????????7??,??????????14.5%?
??????????????? ???:??????,??????????????????????????????????????????,???
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