???????????????70%

????????2??21?? (???)???????????21????,??,????????????70%?

????“??????”??????????,????????????350?,????????“??”?????,?2027????????????????

??????????,????,??,????????BIM?????????????,?“??????????????”?

????,??,???????“?????????”????????????,??????????????????80%,??30????,?????????2025???3???

???????,?????,??????????????????????,?????,????????????49%,????2025??????????????????

???????????????,????????,?????????,????????????????????,??????????????BIM????????????,???????????????????

?????????????,???,????????,????????,???????,???????????????(??)