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

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

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

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

??,??4????:

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

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

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

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

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

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

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

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