[IfcZShapeProfileDef.FilletRadius property 圆角半径 public IfcNonNegativeLengthMeasure FilletRadius { get; set; } 也可以看看 class IfcNonNegativeLengthMeasure class IfcZShapeProfileDef 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
