raceway groove curvature radius coefficient
principal radius of gyration of area
principal radius of curvature
planar radius of inertia
outer radius of coil pipe
optimum design in radius of grooved raceway curvature
Mean-square radius of gyration
mean square radius of gyration
mean radius of curvature
Maximal edge radius of head-cutter
least radius of gyration
knife edge curvature radius
Inner radius of univalency
influence radius of lowering water