??
??,???????,?????,?????????150???????
?????,????48????,???????????5%????????????????,????????20%????????????????????
??12306??,???????????????,??????????,????????????????,????????
??,?????????4?????????????:
????????8???????,?????;
????????48?????????????8???????,?????????????????5%???;
???????????24??????????48???,??????????????????10%?????;
?????????24???,???????????????20%???????
??????,??8??????????????????,?????????8???????????,?????,??????????????8????,????5%???????
?????????????48??????,??????????????????????5%???????,??20%????????
?? ???????:??????,????,???????,??????????????,???,??????,??,???????????20%???????????????,???????????,??,??5%?????????????????,???,??????,??????
(???? ????????????)
??????:??????????????
??????????????????????????????????????