????????????????????

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

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

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

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

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

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

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

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

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

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

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

(????????? ?????????)