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

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