??????????????9?25?? ???????????“?????????????????”??,??,??12306???????????App?????????,????????????,?????“??????????????????????????????”????????,???,??,??,??????????????

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

????????????????:??????????,?????,????????????????A??????????????+???????B???;??????????,???????????C?????+??????????????D????? ???:??????? “?????????”????

?? ??12306???????? ???????????

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

2??????

3?????

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

5?????????

??????????????9?25?? ???????????“?????????????????”??,??,??12306???????????App?????????,????????????,?????“??????????????????????????????”????????,???,??,??,??????????????

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

????????????????:??????????,?????,????????????????A??????????????+???????B???;??????????,???????????C?????+??????????????D????? ???:???????