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

????:?????????:????????

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

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

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

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

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

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

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

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

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

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

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

(????? ???????)

????:??????