double helical gear (herring-bone gear)
equivalent spur gear of the bevel gear
equivalent spur gear of the helical gear
gear quadrant steering gear
gear shaping cutter for straight bevel gear
gear slotting cutter for spur gear
Generating gear of a gear
harmonic gear drive with radial gear meshng
harmonic gear drive with transverse gear meshng
planetary gear with conical involute gear
three-shaft Xing-type gear transmission with inner planet gear
computation theory of traversing zone with variable slope
crab traversing mechanism
design of bending roll traversing device
Engineering Traversing Yellow River
general traversing crane