??????: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???????????????????,???????
???:???????
??
???:????