金属网

This metal net filters out the dirt.

这个滤掉污物。

Another nought stencil seihan printing processes while nylon NET, Capron, wire and other Web material to the holes in the plate engraving stereotypes.

另有以丝漏印制版印刷方法而取尼龙、卡普龙、及其他料为版材版型版画。