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