Assertion: valve's surface | /r/HasProperty | smooth
Facets:
value: to provide no binding
type: PURPOSE
Source sentences:
text: The atrial surfaces are smooth.
text: The atrial surfaces are smooth.
text: The exterior surface of that portion of the upper valve stem 52 which slides in the bore 44 of the valve gate member 32 is smooth so as to provide no binding between the valve stem and the valve gate member when the valve gate member is reciprocating relative to the same and the valve stem is rotating.