| 实体名称 | 实体名称 |
| IfcDistributionChamberElement | IfcFlowSegmentType |
| IfcDistributionChamberElementType | IfcFlowStorageDevice |
| IfcDistributionChamberElementTypeEnum | IfcFlowStorageDeviceType |
| IfcDistributionControlElement | IfcFlowTerminal |
| IfcDistributionControlElementType | IfcFlowTerminalType |
| IfcDistributionFlowElement | IfcFlowTreatmentDevice |
| IfcDistributionFlowElementType | IfcFlowTreatmentDeviceType |
| IfcElectricalBaseProperties | IfcFluidFlowProperties |
| IfcEnergyConversionDeviceType | IfcSoundValue |