摘要：物业运营阶段是建筑物全生命周期的主要阶段，也是耗能重点阶段。

Abstract: the property operation stage is an important stage in the whole life of buildings.

youdao

摘要：物业运营阶段是建筑物全生命周期的主要阶段，也是耗能重点阶段。

Abstract: the property operation stage is an important stage in the whole life of buildings.

youdao