????????????????????

??

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