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