??????,?????????,?????,???????????????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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??:???????????,??????????,??????????????