????:1???????VX:?????

2????????

3???????????

4???app????

5???sn??

??????????????????????

?????11?????????25????????????????? (??????? ????????????)???????????????????????25????????????????????????????????????2???55?????,??,??????????“??????????????????????”??

????,??,????????????????????????????,?C6511;????,??????????????????????C6512????A321?????

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

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