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

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