[IfcOffsetCurve3D.Distance property 距离 public IfcLengthMeasure Distance { get; set; } 也可以看看 class IfcLengthMeasure class IfcOffsetCurve3D 命名空间 Aspose.CAD.FileFormats.Ifc.IFC4.Entities 部件 Aspose.CAD]
