brush changing

基本解释

You can use a gradient brush to fill a shape with a gradually changing color.
您可以使用渐层笔刷，以逐渐变更的色彩来填满形状。
Get back to the Basic Brush es and choose a big size brush, changing a little its adjustments on the Brushes window.
回到笔刷设置界面，选择一个大笔刷，并如下更改一下笔刷设置。
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By changing the brush diameter, density, the gap between brush bristles and the axis, and the shape of brush edge, the influence of the structure parameters on the seal performance is obtained.
通过改变刷毛直径、刷毛密度、刷毛与轴的间隙以及刷毛齿形，分析了这些结构参数对密封性能的影响规律。