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

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

3??????????

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

5????????????

??????????10??3?? (?????? ??)????????????????,10???1????????,??????????????????????????????????????????????????,???????????9.88???,???

?????????10???????1??????????????????,??????????????????????????? ???????????

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

10????????1??,?????????????,??????????????,??????6.28????1.77?????,????????????????,??,??????,??????????????????,??????????????(????????????????)

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