| 类和说明 |
|---|
| IfcMaterial
A homogenious substance that can be used to form elements.
|
| IfcMaterialClassificationRelationship
Relationship assigning classifications to materials.
|
| IfcMaterialLayer
A single and identifiable part of an element which is constructed of a number of layers (one or more).
|
| IfcMaterialLayerSet
A designation by which materials of an element constructed of a number of material layers is known and through
which the relative positioning of individual layers can be expressed.
|
| 类和说明 |
|---|
| IfcMaterial
A homogenious substance that can be used to form elements.
|
| 类和说明 |
|---|
| IfcMaterial
A homogenious substance that can be used to form elements.
|
| 类和说明 |
|---|
| IfcMaterial
A homogenious substance that can be used to form elements.
|
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