2K-H form planetary transmission
2Z-X D planetary mechanism
acceleration of planetary notion
Association of Lunar and Planetary Observers
Atmospheric Planetary Boundary Layer Model
axle planetary ring gear
brake and planetary group
Closed Planetary Gear Train
Closed planetary transmission
clutch inner planetary gear
clutch outer planetary gear
Clutch type planetary gear reducer
comparative planetary science
compound planetary gear
Compound Planetary Gear Train
compound planetary gearset