?? ????????7.6???????
![](http://n.sinaimg.cn/news/1_img/upload/8de453bf/493/w1266h827/20181002/nfMl-hkrzyam5804719.jpg)
????:1?????????????:????95????
2???????vx
3????929598????
4????
5?????998
?????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??(????) ??:?????????????