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planetary gear train
行星齿轮系
行星轮系
planetary gear train
planetary gear transm...
planetary gear type i...
planetary geared drum
planetary geared hoist
planetary gearing
planetary geodesy
planetary geological ...
planetary geology
planetary geology (...
planetary geomorphology
planetary geoscience
planetary gravitation...
planetary hot mill
planetary information
planetary involute ge...
planetary ionosphere
planetary landing
planetary lapping
planetary magnetospheres
planetary mantle
planetary mill
planetary milling
planetary milling mac...
planetary mission
planetary motion
planetary nebula
planetary nebulae
planetary operations
planetary orbit
planetary overrunning...
planetary pearing
planetary perturbation
planetary physics
planetary pinion
planetary pinion carrier
planetary plate
planetary precession
planetary precession ...
planetary probe
planetary reducer
planetary reduction gear
planetary rings
planetary rolling
planetary rolling mill
planetary rotating speed
planetary rotation en...
planetary rotation ma...
planetary satellite
planetary scale system
planetary science
planetary screw extruder
planetary seismolegy
planetary seismology
planetary space
planetary space flight
planetary space navig...
planetary spacecraft ...
planetary spindle
planetary steering de...
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