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

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

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

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

???????,???4?????????????:

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

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

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

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

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

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

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

(???? ??)