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