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

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

3??????????

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

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

??,????,????,???150??????????

???????,?????48???,??????5%?????,???????20%????????????????

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

??????,??????4???????????:

????8???????????,?????????;

??48??????????????????????????8??????,?????5%????????????????;

????24?????????????????48????,??????10%???????;

????24???????,???????20%?????????

???????????,???????????????8????????,???????8??????????????????,???????,?????8?????????????,??5%?????

?????48????????????,???5%??????,?????20%???

???????????????? ????:??????????????????????,?????????,????????,???????????????????????,??,??,??????,?????????20%????????,??????,????????,?????????5%?????????????,???????????,???????,????

(??? ??)

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