[IfcGeneralMaterialProperties.MolecularWeight property 分子量 public IfcMolecularWeightMeasure MolecularWeight { get; set; } 也可以看看 class IfcMolecularWeightMeasure class IfcGeneralMaterialProperties 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
