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