The pulley is off center 'cause the temp headstock was too big and I had to let it hang off the left side.

滑轮是偏离中心'导致气温启闭太大，我不得不让它挂关闭左侧。

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A dynamic system of the electric power driven rounding machine consists of a motor, a turbine reducer, a triangular belt, a big belt pulley and a small belt pulley.

电力拖动滚圆机的动力系统由电动机、涡轮减速器、三角皮带及大、小皮带轮组成。

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