??4.5?????????“????”

????:?????:??????

????????9????????????????????6??(????????????????? ??) ?????,?????????“??”????6?????????????????????????17????????????????????????,????4.5??“????”,???2800??????,???

9?6??????????????????????????,????????????????,????????????,????????????????????????????? ??????????

9??????????????????6????????“?”??,??,“?????????”???????????????????????????????????????????508???????????267????????199??“?????”,??4???

???????????,??,?“??????”???????????????,?????????

?,??????????“??”??,?????“??????????????????????”???,???????????????350?????????300?????,??150????,??????????????2?????????????4?????????????????????50?????6??5G????,??????????????????,???,??

?????????,??6?131??????,?????????????????“??”?????????(?????????????????????)

???????:?????????????