实体定义
属性定义
序号
属性名称
中文解释
数据类型
必填
GfcRoot
GfcConnectionGeometry
GfcConnectionCurveGeometry
1
CurveOnRelatingElement
GfcCurve3d
√
2
CurveOnRelatedElement
GfcCurve3d
√
继承关系
GfcRoot
└
GfcConnectionGeometry
└GfcConnectionCurveGeometry