protected IfcExternalSpatialStructureElement ( |
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db | ||
e | ||
downStream | bool | |
리턴 | System |
IfcExternalSpatialStructureElement::IfcExternalSpatialStructureElement ( ) : System | |
IfcExternalSpatialStructureElement::IfcExternalSpatialStructureElement ( |
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IfcExternalSpatialStructureElement::IfcExternalSpatialStructureElement ( |