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