?? ? ???6??????????????
![](https://image.chezhanri.com/2019/1224/92a1bfef0e8d5e4e52b7490720250ded.jpg)
????:1?????????:????????
2??????
3??????????
4??????????
5?????
??7???18??????????????? ????????:?????17??,????????????????????????,???????????????6???????
??,??,???????????????????????????????????????????????6?????????2????????????????????,???1???1??????????????????????,?????
???,?????????????,?????????????????????????????????
?,????????????????,?????????????????????????????,???,????????,?????????(?) ?????????:????