?? ????????????? ????
????:1??????:????WX
2??????????
3????300?1????
4???????????
5?????????
?????????????????2???5???????? (??????????? ?? ??)5??,???,550???????????
?,?????????????,???????????????????????????,??,?????????
2?5????????,????????????????????????????????? ??????“????????????,????????????????,????????????,??????”?????????????????????,??????????????????????,??????????????
??????????????????,????????????????20????????????????????????,????????,??????????????????200??
?????,???????,?????????????????????????,????????????????????????????
?,???????????12306??????????????“???????????”???,???(?????)
??:??????????????????????