?? ?????????????:?????
![](http://n.sinaimg.cn/news/1_img/upload/2b0c102b/209/w641h368/20180707/KO6K-hexfcvk9962335.jpg)
????:1???????:??????
2?????vx
3????????
4??????
5?????
????2??19??????? ??,???????????????????,????????????????????????????????????????????????????,????;??;???????????????????????????,????32.6?????
?????,??????,????????????????????????????????????10~30???????,???????????????40~70??,??????????90???????
??,????????,??????????????,????,????????????????;?????????????????,??,?????????????
![](http://i2.chinanews.com.cn/simg/cmshd/2025/02/19/66b236b1cf19449992f343c179ca0bd9.jpg)
![](http://i2.chinanews.com.cn/simg/cmshd/2025/02/19/cc13deeaccac4324bb1b43da081d3b5c.jpg)
????,??????????,??????,??;?????????????,???????????????????
??????????????:???