?? ???????????????
![](https://image.chezhanri.com/2019/0625/20190625101925644.jpg)
????:1???????:???????
2??????????????
3??????????
4?????????
5??????
?????????????6?15? ?????,?????6??????????????????????????15????????????????????18????:?,6?15?????????20?16????20??,?????????????????????????????????????????????????????????????,???????????,??????????????(100~200?)???????????(?????30~50?????,?????????70??????????????),?????
![](http://i2.chinanews.com.cn/simg/cmshd/2024/06/15/0c185eb955514dd09e61ad7f94769a61.jpg)
??:
1??????????????????;
2?????????????,??;
3??????,??,??;
4??????????????????????????????????,???
?????:???