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????:1?????:???????????
2???????
3??????????
4????????????
5????????400???
?????????????????????????12?????????20???(?? ???????)??20??,??????????????,???
??????????????????? ???????????????????????,?????????,??????????367.9??,?,????????????????????G211?????????????????????????S207???????,??????????290????????????,??????350km/h?????????52???,???,??,??“?”????????????????,??????,????????????????150t???????????,????????
???,?????????,??????,??????????,???????????????????????GIS??????????????????,?????????????BIM???????????????,?????????????,????,????????????????????,??,??,??143???????????,???
???????????“??????????????”??????????????????????(??????)??????????????,????????????????????????????,??????????,???????,??????,??,?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????11??????????????,??,?????
?,???????????????,??6?????????2.5??,??????????????,?????????????????(????)
??:?????????????