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

2???????????

3???????

4???????

5?????????

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

???,???????????????,???????????????,????“???????????”??????,??????????,?,??????????12000???????,????????????????354????????????????????

?????????,??,??,??12306??,?;????,???????????????

???????,??????????12306?????(??)?????????????,??????????????????????“????”??,?????????????????“??????”“??????”?????????,???????????“?????????????????”“?????????”,?????“12306”?,?12306?????????????????????????????????,???,???????,?????12306???,????????????????12306???????????,????????,??????????????,??,???????????,???????????;???????????12306??????????????,????????????????;??????????????,???(???????????? ???????????)

?:??????