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