ISO 10303-214:2010(E)
A Compound_hole made of two Round_hole objects. The top of the first Round_hole shall mate with the bottom of the second Round_hole. The Compound_hole orientation shall be the same as the orientation of the first Round_hole. Both Round_hole objects shall be co-axial. The Axis_placement referenced by the inherited attribute 'location_and_orientation' shall coincide with the Axis_placement referenced by the first Round_hole.
A Compound_hole is a type of Compound_feature_in_solid.
The data associated with a Compound_hole are the following:
compound_hole_type
The compound_hole_type specifies the type of combination of the two Round_hole objects.
The following values shall be used:
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