?? ???????????? ?????????????
????:1??????????:?????????
2?????
3?????????
4???qq??300??????
5????????????
????27???????,??????????
???,???????,???????19.4????????,?????2.77???,???????0.7%?
??? ????????:???????80%,???????15.26??????????
????,?,9??????????30???????,?????10???1?????????????????????,??????10?????5??????????????,????????????????????????????3?????,???????????????????????????????????????,?????????
????????????,??????????????????,?????????????,???????????????500???????520?????,???????????
??????????????????????19?????
???????,???19????????????????,?????,???????????
??,?,?????,?????,???????????????????????????????????????????
??????,?,??????????????,??????????????“??”???????
???????????????? ???????????
?????????????,????
???????????,?????????????,????????,???????????????
???????????12306????????????????????????,???????27?????,???????????7500?????????????????
?????,?????????????????????????????????????????????????????????????????????????
??,??????????????????9??29?????????????????????10??1??????12306???,?????,???????????????????????????????????????????????????????????10????????6??8???????????????,??,???????????????????????????????????????????????????????????????????????????????????
????:?????