????:1??????????:????

2?????

3?????????

4?????95???

5??????????????

????????????????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????(??????????) ??????????????:????????