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

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

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

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

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

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

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

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

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

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

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

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

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