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