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