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BIMо

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1BIM ̼ 

Ҫýͨ羰԰BIMѯ񣬽  ԰ ҵҵơʩάBIMӦùؼ⡣

2BIMо

Ҫ¹ĿӰBIMƽ ̨ӦԼBIM̬Ȧ ƣ԰ҵ +ʱеºƶȽBIM ̼ ڷ羰԰ҵķչٽϢ ͳ԰ҵĽһ ϡ