When most people think about gas masks or respirators, what they usually envision is a tight-fitting plastic or rubber face mask with some sort of filter cartridge.

大多数人想到防毒面具或呼吸器时，脑海中呈现的是一件配有某种过滤罐的、塑料或橡胶材质的密闭面具。

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For example, you could program a filter that warps the surface of the image, creating an effect like that used on the cover of the Beatles' Rubber Soul album.

例如，您可以编写一个歪曲图像表面的过滤器程序，创建类似于披头士的Rubber Soul专辑的封面那种效果。

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Screw the two sections together making sure the filter and rubber gasket are in place. This is important to ensure a perfect seal.

悬紧这两部份螺旋﹐确保过滤网和橡胶热圈放到位。这对密封的完好性非常重要。

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