????:1???????????:?????

2??????????

3??????????

4?????????

5????????????

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

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

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

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

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

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

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

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

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

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

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

(???? ??)

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