首先，本人设计的零件为轴，它的作用是起到传动作用，传动力的方向和轴力。

First, I designed components for the shaft, and its role is to drive, Chuan dynamic direction and axial force.

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首先，本人设计的零件为输出轴，它的作用是传动作用，传动力的方向和轴力。

First, I designed components for the output shaft, and its role is to drive, Chuan dynamic direction and axial force.

youdao