?? “????????”?????? “????”?
![](https://image.chezhanri.com/2019/0813/20190813165641451.jpg)
????:1???????:????
2???????????
3???????
4????????????
5???????????
??,????????????????????,??????????????,???????,?????
??????????????????????????????,???????????????????????????????,??,?????????
???????????? ??:??,????????,??????,???????????????????????,???,?????????????????????????????????????????????,????????????????????????
??????,???????????????,?????????5G????????????????????,?????????,????????????????????????????,?????,?????
??????,?????????????????,??,???????,???????,????????????????????
??????? ??????????:??????,???????????????,???,??,???????????? ????????:??????????