??:7? ?????????7??????8?
??????????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??????????,?????????????????
?????:???
??
???:????