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