???·C3 ????? K47+506.54 ?? K57+000???辶???? 9.49km????·????????????????30km/h??·?????? 7.5m??????????·??
?????????????????????????? G215 ?????·???? G215 ???????????????ν??? 40km/h ???????????????·??????????????·?????????8.5m??????·?ν?????????? 30km/h??·????????? 7.5m
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?????λ?????????????????????·?????????????θ???????????????????????????????·???????????????κ????????·????
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