??????????? ????????????????????4%

?????2???5???????? (???)5???,?????????????,2025???????????8???????(1?????????????????28???????????????2???????????????4????),??189.6?????????,?????23.7????289??????????????????????,???63??????????,?????????????

?????????,???,?????????????????????????????,??12306??????????,???????????“???”???,?????????????????????????????????,????20.5?,??4%?

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

?????,??????????4??“?”???????????,????????????K7835/6???????????????????????,??????????????????????????4????,??

??,???????????????????????,?????????(????????)