[IfcFaceBasedSurfaceModel.FbsmFaces property FbsmFaces public IfcCollection<IfcConnectedFaceSet> FbsmFaces { get; set; } 也可以看看 class IfcCollection<T> class IfcConnectedFaceSet class IfcFaceBasedSurfaceModel 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
