The filters are comprised of a clay pot set inside a plastic bucket with a nozzle at the bottom of it.

该过滤器其实就是一个涂敷胶体银的多孔过滤陶罐装在其底部开有水嘴的塑料桶里。

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The nozzle insert can either be injection moulded from plastic or can consist of metal.

该喷嘴嵌件既可以由塑料用注塑法生产，也可以由金属制成。

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The runner system in the injection mold serves to convey the plastic melt coming from the nozzle of the injection molding machine to the cavity.

注射模的浇注系统是指从注塑机喷嘴开始到型腔为止的塑料流动通道，它是模具的一部分，一般分为普通流道浇注系统和无流道浇注系统两大类。

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Eventually, a thin string of plastic will emerge from the nozzle.

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They said that by using stereolithography, their printer could offer "layer thicknesses and feature sizes that are worlds ahead of what is possible with" the existing technique used by budget printers, which melt plastic and squeeze it through a nozzle to build up each layer of an object.

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To create a nozzle, you need physical substances like steel and plastic.

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