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

2???????

3??????qq?

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%????????????,???????,?????????????,?????

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

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