Screen Mesh Opening;

网版开窗；

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It indicates that mesh, opening capacity and mesh opening can exactly mirror screen-printing features, thus constituting the important parameters regarding the selection of printing screens.

指出目数、孔隙容量和网目开口能确切反映出筛网的印花特性，因而在选择印花筛网时是极为重要的参数。

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The purification device comprises a closed vessel, a spray header, a filter mesh, an effluent discharging opening and an effluent discharging valve.

净化器由密闭容器、喷淋头、过滤网、排污口以及排污阀门形成。

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