?? ??????????????????????
![](https://image.chezhanri.com/2019/0325/20190325151443472.jpg)
????:1??????:??????????
2??????98
3???sn??????
4????????????
5???????????
??7????????????2? 7??????????2??????????????????????,????????????????????????????6?30?,????,??,???????
???6??????????????????30???????????,????????,????????????????????1??,???????????????????????????,??????????????????????????????
?????,?,???????????,??
????????????????????????,??,???????????????????????????,????(???????????),??????,????????????(???????????????????)??????????????,?????????????????????????????????,??????????????????
??????????????????????????????????????????????1?,??,?????????,????????????????(??????) ?????????????:?????