???????????????70%
???2????????21???????????? (????????)???21???????????????,?????,??70%?
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????????????“??”??????,??????350????????,?????????“??”??,??2027?????????
??????????????,?????,?,???????BIM???????????????,???????“??????????”?
??????????????,??,??????????“????”?????,?????????????????????????80%,?????????30??,?????????2025?3??
??????????????,????,?????,?????????????,??49%,??2025????
????,??????,???????,???,?????BIM???????????,????????
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????????,????????????,?????????????????,????????????????????,??????????????????,?????(???????????????)
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