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

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

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

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

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

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

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

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

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

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

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

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

(??????? ??)