?? ?????????????
????:1???????:???????
2???????????
3????????????
4???????9?????
5???????
??????????? (? ??????)??3???????????“????”????????????,?????????????,??,?????7????????25????????????????????????,???
?,????,??????????????????,???????,???????12306???????????(???????APP)?????????????????,???????,????????????????“?”??????12306???????
?,????????,??????????????????????,???????????????????????7?????????25????????????????????????????????80??????,??????:?????46?????????????????;?16???;????16????????;?????2?????? ???:??????