?? ?????50?????????????
![](https://image.chezhanri.com/2020/0320/7269e66f6ff4bed45ce5498472ef33a4.jpg)
????:1???????:??????????
2??????v
3????????
4?????????
5?????
??????8??6????? (??? ???????????????????) ????6???,??50??,??????????,?4:1??,????????????
![](http://i2.chinanews.com.cn/simg/cmshd/2024/08/07/b9402b8d9d76439197d319ce316d8bf0.jpg)
??????8??6????? (??? ???????????????????) ????6???,??50??,??????????,?4:1??,????????????
????:1???????:??????????
2??????v
3????????
4?????????
5?????
??????8??6????? (??? ???????????????????) ????6???,??50??,??????????,?4:1??,????????????