????:1????????:?????200????

2????????????

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

4?????????????

5??????????

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

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

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

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

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

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

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