名词
中文翻译：刷弧
同义词：
['刷子半径，刷子弧线例句：1. The brush arc of the brush was very smooth.（刷子的刷弧非常光滑。）']
例句：
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1. The brush arc of the brush was very smooth.
刷子的刷弧非常光滑。
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2. The brush arc of the brush is the radius of the circle that it touches.
刷子的刷弧是它接触的圆的半径。
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3.The brush arc of the brush is used to measure the angle between two points on a surface.
刷子的刷弧用于测量两个表面点之间的夹角。