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一、前言齿轮变速箱是传递发动机或电机功率给工作机械的装置,可以适应工作机械不同转速下不同扭矩的需要。因此,目前很多机械
I. INTRODUCTION Gearbox is a device that transmits power of engine or motor to working machine and can adapt to the needs of different torque under different speed of working machine. Therefore, at present a lot of machinery