[IfcBuildingStorey.Elevation property 海拔 public IfcLengthMeasure Elevation { get; set; } 也可以看看 class IfcLengthMeasure class IfcBuildingStorey 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
