????:1??????????:??????

2??????????

3????????

4???24?????

5????????

????????????????????12?20???????(???????? ????????????)???20???????,???,??

???????????? ????

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

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

???“??”??????????????????????????(????????????????)??????????????,??,?????,?????????????,???????????????????????,?????????????????,???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????11??????????????,?,????????????

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

????:????