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