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