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