[IfcHygroscopicMaterialProperties.MoistureDiffusivity property 水分扩散系数 public IfcMoistureDiffusivityMeasure MoistureDiffusivity { get; set; } 也可以看看 class IfcMoistureDiffusivityMeasure class IfcHygroscopicMaterialProperties 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
