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