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

2???????

3?????wx

4????????????

5?????KB?

????????????2??????2??????????????? ???,2??????2?????????,????????10%????

??????????????:??2???1?,?????????????????????10%????????????????????????????????

?????,??????,?????10%?,??,?????????????????,??????????,????????

??????????????????????????????????????????????????????????????????????????,?????,????????,???

????????????????????????????????????????,??????????????,??????????????2019?????????,???????,???????????????,??????????????,??????????????????

?????????????,?????????,??????????????? ??????????:???