??,??????,??,????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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