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

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

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

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

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

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

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

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

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

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

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

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

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