The compound gear motors are a new kind of executors, which combine inner and external gears motors with wheel drive theory.
复合齿轮马达是综合内外齿轮马达和轮系传动理论为一体的一种新型执行元件。
Present a method of sharpening twist drills in the interior conical surface and exterior conical surface grinding wheel. A novel sharpening device of linkage-gear compound mechanism is designed.
提出了利用外锥面砂轮实现内锥面刃磨钻头的方法，设计了实现该方法的连杆齿轮组合机构。
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