????: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%??????????,???,???????,??????????????

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

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