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