?? ???????7.6????????
![](http://n.sinaimg.cn/news/1_img/vcg/8de453bf/2/w1024h578/20190126/bEVf-hsccyrt0349895.jpg)
????:1????????????:????????
2???????
3??????
4?????
5???????95?98
????????????2?????9? (????? ????)???9??????????????????,???????2???????????????9???????????????7?23????????????,?7.6????????????,??????????????????
?,??????????????????????????????????,?????????,?20?????????????????????????????????
??????,?????????????????????????10???????0????(???),??????????30???
?,????????7????30??????????????,??,?????????????,????,?????????9??????????30??????????????????(PTWC)??
????????????????,??100????500??????????,???3??7.0????,?2020????1?27?5???2??????????7.7?????????????????,??????????5?,?????2018?7.5?????????????,?4.0????(?????) ???:??