[IfcCraneRailFShapeProfileDef.BaseDepth1 property BaseDepth1 public IfcPositiveLengthMeasure BaseDepth1 { get; set; } 也可以看看 class IfcPositiveLengthMeasure class IfcCraneRailFShapeProfileDef 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]