?? ???????????????
![](https://image.chezhanri.com/2019/0715/20190715161833675.jpg)
????:1????????:?????????
2???????
3????????
4????????
5???????
?????????????6?15????? ??,??6????????????????????15???10????????????????:????,6??15?14??16?????????????14??,???????????????????????????????????????????????????????????????????,??????????????????,?????????????????????????(100~200??????????)???????????????(???????????30~50????????????????,?70??),???????????
![](http://i2.chinanews.com.cn/simg/cmshd/2024/06/15/230f8b3e170445d99b0eafd468334110.jpg)
?????????????????:
1??????????;
2?????,???????????;
3??,?????,??;
4??????????????,??
??????:??????