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2??????

3???????????

4??????????150

5?????????

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??????????,?,????????367.9?????,????????????,??????????G211?????S207??????,?????290??????,???????????350km/h?????????????????52??,???,???????????????,??????????“???”???????????????,???,?????150t????????????????,???

?????????,?????????,??????????,????????????????????????,??????GIS???????????????????????,?????BIM?????????,??????,??,?????,??,????,?????????143??,??????????????

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????????????????????,?????????????????????????,?????????????????????????6?????????????2.5???????,??????????????,??(??????????)

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