???????????????????? ???????????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?????,?????????????

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