内外摆线轮齿 epicycloidal and hypocycloidal gear tooth

外摆线轮系转动结构 epicycloidal gear-train

外摆线齿轮 epicycloidal gear ; epicycloidal wheel tooth

外齿摆线轮 external cycloidal gear

外摆线齿轮铣刀 epicycloidal gear cutter

延伸外摆线锥齿轮 extended epicycloid bevel gear