?? ?????????,?????
![](https://image.chezhanri.com/2019/1113/3063adbeac5ee83308258a544b26da4b.jpg)
????:1???????:????????????
2?????????
3?????????
4???????
5????????????
??? ????? ????? ?
???????,????,?????????,?????????3??:?????????????2??????,?,?????????1????,??,?????????25?????????1-2????10?????????????????3?,??????????,???6-8????????????????,????8-12?????????20-25???????????,?????????25-30?????????
?????,????????,????????????????,????,??????,?????,????????????:????????????????????3????7???????????/?;3???????5??/??????;??6????????/??????????????
???????????,???“??”??????????????????,????????????????9?????????,????????????8??????????????????????????????:?????8????????????????,10????;?????9????????????????,??,????
??,????????,??,????????????????,??,?????????,?????????(??????) ??????:????