刷刷前面，刷两边，刷上面，刷下面。

Brush the front. Brush the sides. Brush the top. Brush the bottom.

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还示出将该刷单元设计用于手动牙刷刷柄。

The brush unit design is also shown applied to a manual toothbrush handle.

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还示出将该刷单元设计用于手动牙刷刷柄。

The brush unit design is also shown applied to a manual toothbrush handle.

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