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

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

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

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

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

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

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

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

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

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

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

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

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

??

??:???????????,??????????,??????????????