[IfcProductsOfCombustionProperties.N20Content property N20Content public IfcPositiveRatioMeasure N20Content { get; set; } 也可以看看 class IfcPositiveRatioMeasure class IfcProductsOfCombustionProperties 命名空间 Aspose.CAD.FileFormats.Ifc.IFC2X3.Entities 部件 Aspose.CAD]
