资料来源 : pyDict

齿轮装置

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Wheelwork \Wheel"work`\, n. (Mach.)
   A combination of wheels, and their connection, in a machine
   or mechanism.

资料来源 : WordNet®

wheelwork
     n : mechanical device including an arrangement of wheel in a
         machine (especially a train of gears)