一种能使刷头随转轴一起转动，并且还可以改变旋转方向的双向旋转式电动牙刷。

The utility model relates to a two-way rotary electric toothbrush. The brush head of the utility model can rotate with a rotating shaft and the rotating direction can be changed.

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导轨直通到升降井顶部。钢丝绳在顶部绕过一个滑轮。滑轮由电动机驱动可向任一方向转动。

The rails pass up to the top of the shaft, where they are taken over a pulley which can be driven in either direction by an electric motor.

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导轨直通到升降井顶部。钢丝绳在顶部绕过一个滑轮。滑轮由电动机驱动可向任一方向转动。

The rails pass up to the top of the shaft, where they are taken over a pulley which can be driven in either direction by an electric motor.

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