?? ?:7?? ??????7?????????8?
![](http://n.sinaimg.cn/news/1_img/vcg/72f96829/0/w2048h1152/20181218/CZL2-hqhtqsp7356486.jpg)
????:1????????:??????
2?????
3???????
4???????
5??????
??2?????16????? ??????,???????,2????????????16?????????20??17????20?????,???????????????????????????????????????????????4~6???????7~8??;????????????????????????????????????????????????????????7????????8???
![](http://i2.chinanews.com.cn/simg/cmshd/2025/02/16/187d7f04212f4024b76fe8abf7209637.jpg)
??:
1???????????????????,??;
2???????????,????????????;
3???????????????????????????????,???????????????;
4???????????????,??
???:????