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

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

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

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

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

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

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

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

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

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

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

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

????:???

??

??:???????????,??????????,??????????????