????????????????????

????:?????????:?????????

??????,??????,???,?????150???????

??,?????????48??????,?????5%??????,?????????20%?????????????????????????????????

???12306???,????????????,?????,?????,??????????????

?????,???4??:

?????????????8????????????????,??????;

????????48????????????8???????,???????5%??????????????????;

???????24???????48???????????,????10%?????????;

?????24??,???????????20%?????

??,???8?????,?????8????,???????,????????????8???????????????,??????5%????????

???????????48?????????,???????5%????,???20%???????????????????

??????? ????:??????,???????,??,????????????????????,????????,??????,?????,???????????20%?????????????????????????????,?????,???????????,???????5%????????,????,????????,?????????????????

(???????? ???????)

?????????:???????