[IfcTrapeziumProfileDef.TopXDim property TopXDim public IfcPositiveLengthMeasure TopXDim { get; set; } 也可以看看 class IfcPositiveLengthMeasure class IfcTrapeziumProfileDef 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
