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

2?????????

3???????

4????300????????

5???QT???

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

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

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

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

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

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

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

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

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

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

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

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

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