模板属性 - I
- ID
- IFC_BUILDING
- IFC_BUILDING_STOREY
- IFC_ENTITY
- IFC_ENTITY_OVERRIDE
- IFC_SITE
- INFO1、INFO2
- INNER_DIAMETER
- INSTALL_ACTUAL
- INSTALL_PLAN
- IS_BENT_PLATE
- IS_CONCEPTUAL
- IS_CURVED
- IS_FROZEN
- IS_ISSUED
- IS_ITEM
- IS_LOCKED
- IS_LOFTED_PART
- IS_POLYBEAM
- IS_POUR_BREAK_VALID
- IS_READY_FOR_ISSUE
- IS_REBARSET_BAR
- IS_SPIRAL_BEAM