?? ?????????????????????
![](https://image.chezhanri.com/2019/0508/20190508163355773.jpg)
????:1?500??600??:????????
2????????
3??????v
4???????????
5???????????
???????????????????7??????????????????15????? (????????)??????????????????????????????,??????????????103?????????????????????????????????????,103??,?????????????????
??,103??????????????????????????7??????????????????5???????,????????????CT?,???????????????????,????,??????????,??????103???,???????????????,?????????????????????????????????,???????????,??????????????????,???,??????????????????????????????????,????????
??,????????????????????????????????,????????????????,????,????,??,??????????? ????????????????:?????????????????