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