?? ??????20????????????
![](https://image.chezhanri.com/2019/0416/20190416110245808.jpg)
????:1???????????:??????
2?spa?????
3???????
4???9598?
5?????
???????????????????8??????????????31????????????? (??? ?????????????????)????8???????????????31????????,8??????????????????????50.3%,??20??50%???????,??????????????
??????,??????,?0.6?????0.1?????;?????????????????????????????????,???0.3?????????????????2??????????????
??????,8???????????????????,?????????????????50.3%,????20??50%?,???????????????????????50%???????????????????,??????
?????,?????????????8??,?????50.2%,?????0.2??,?????????,??,??????
??????,????,?????????????????????????????????????55%??????????????????????;????????????????????,???????,??????????60%???
??????????????,??,???????????????,????????,?????????????????????????????,???(???????????????) ????:??