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

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

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

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

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

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

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

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

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

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

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

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

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