?????????,??2025?“29er??????2025”??????2??????????13?????????,??11???????,?29??????????????????,?????317?????????????????????12?????????,?????????????
??,??2025????,??2?16???,???????????????(????????? ??????)
???????????????????:??????????
?????????24400?
70???????856?:??????????-?
?????????????????????
??:??????????????????
?????????????:????????
???????????????????
????????????:??????????
????????????????????
????????????????
??????????????????????
??????7???,??????!
??????????????????????
????2016???54?PB??????????…
????:?????????????????
??????????????????????
??????????????????????
??????????????????????
??????560?????????2000??
?????:???????????3
70???????856?:??????????-?
????????????“???”???!
??????????????500????80%?
????2016???48.6???????4.3%
?????“??????”:???????
«????»??:?????????????