?? ??????????????????
![](https://image.chezhanri.com/2019/0513/20190513163648272.jpg)
????:1???????:????????????
2???????
3??????50???
4????????
5??????????
????8????5??????????????? ??????,???8??????????5??6????:
?????????8??????????5????????????????????????????????8??6???????????????????8???????,??????????????????????????????????????????????20?????,?????????????,??????????????50??,??80??????????;???????????????????????????????????????????????????8-10???
?:
1.??????????????????????????????,????;
2.????,??;
3.?????????????????,??;
4.??????????,??????????????,?????????????????;
5.????????????????????????,????????????
??:???