?? ????????????:???3.41???????
![](https://image.chezhanri.com/2019/1217/987193843dc00234ec71e536e1d35f62.jpg)
????:1???????:????
2??????????
3??????95?98?
4?????
5??????
?8??19?? 19???,?????????“?????????”????????????????,?1-7???,??,???????3.41?,????62.34%,??1817.6?????????(????????????????????????)???,?????52.09%?
?,?????????,??,????????????“?????”????“????????????”,???(?)
??????????????????????????????:?????