?? 9???????????30?1750???
????:1???????:????????
2???????????
3???????
4????????
5???????
???????????9??????????????30?? ?,9?30??????????,????????????1750???????????????,??????????????????1566??????????9???????????29???,????????????,????????????1299.8?????????????,???
??????????9??????????,??12306????????????9972??,????????????,??????????????????????????????????????????????????????????????;?????????????????????????????????????????????????????????????????????????????????????????
????????,?12306?????????,???????????????????,?????,??????????????????????????????28??,????????????????????????????60?????????????????????,??????????????????????????????????,??????????????????112??,?????63????????????????82??,??48???????????????????????????????????113???,???????,????????????“????”???????,???????????????125??,??????????????????????????????46??,??????148?,???????“??????????????”????????????????450??,????????????364??,??????????86????????????371??????????????????????????????????????????????????????????22???????,??????91??
????????,??,??,?????????????,???????????,??????????????????????????????????,?????????????,?????????????????????????12306????????????????????(??????????)?,???????????????????????12306????????,?????????????????????????????,????????????????????,????,??12306???????????“?12306”???App,??????“??????”,???????? ?????:??