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

????:??????sn:???????????

????????????????9??????15??? ??????????????“??????”???????????????????????????,??9?????????????????29???,??10????????8???????????,?10?????,???????????????????1.75??????????????????????,?????????10????1???????????,???2100?????????????,9????15????????,???????????12306??,???????????9??29??????????????????

????????????????????,???,??????“??????”????????????????????,???????????,??????,?????????????,??????,?,???

??????“??????”?

?????,?????????,?,???????12000???????,??354???????????????????12306??????,??????,??????????????????????,???????????,?????????????????,???????????

?????????????,?,?????????,????,????????,????????,??,?????,???????????????????????????,??????????????????12306??????????????????????????????????,???????????,??????????????????????12306????????,?,?????????,???????????,????12306??????????

?????????????????,????????,???,??????????,?????,??????,?????????????????????,??????????????????12306????????????????????“???”,??????,??12306??,???????????????60????????“?+???”??????????,??????????,??????;???????,??????????;????????????????????????,????????;??????????,??,??????????????

??“?????????????”??????????????,????????????????“???????????”“??????????”?????,?????????????????“????”“??????”,????????????????????????“12306”????????????,????12306??????????????????????,????????,?????????????,????12306??????,????????????12306?????????????????,?????,????????????????????????,???????,????????????,??????????;??????????????????????????12306?????????????????,?????????;???????????????????????????????,???

?????????????????,??12306????(??????????)??????,???????12306???????????,??????????????????????????????,??????????????????????,????????????????,???12306??“????12306”????APP,???“?????????????”,???????????????????????

?????????????????:??????????