a circular hole with two cracks
8-shape and circular wiring FECW
4L circular loop antenna near a planar interface
3-dimensional circular weaving
3D circular arc interpolation
2-D circular low-pass filters
“8”-shape and circular wiring(FECW)
(improved) circular ba ck-propagation network
unsymmetric tooth profile with double pressure angles
tipped double circular-arc gear hob
the W-N gear with double circuiar-arc tooth profile
The double involute gear
synchronic run with double driving gear
nested double reduction gear
involute gear with double pressure angles
Helical gear with double circular arc teeth
double W-N gear strength