[IfcMechanicalMaterialProperties.DynamicViscosity property 动态粘度 public IfcDynamicViscosityMeasure DynamicViscosity { get; set; } 也可以看看 class IfcDynamicViscosityMeasure class IfcMechanicalMaterialProperties 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
