这是一个全梯度和全填充的静态图像。

This is a static image with all the gradients and fills.

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建立一个暗绿色中旬绿色径向梯度和背景层填充它。

Create a dark-green to mid-green radial gradient and fill the background layer with it.

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选用车屑螺旋状填充质高梯度磁分离对FCC废催化剂进行了分离处理，并对分离后的催化剂进行了活性检验。

Lathe spiral metal filings were used in high gradient magnetic separation machine to recover FCC catalyst and activities of the separated FCC catalysts were examined.

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