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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Straw, chaff, animal hair, and quartz were part of the mixture that protected and strengthened the clay material, as did ropes attached to wooden pegs at the bottom layer.

为了保护和强化陶泥，混合物中添加了稻草、谷壳、动物毛发和石英，底层还用绳子与木桩相连。

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The coal and limestone storage yard must have a bottom impermeabilization system. This system may be constituted by a clay layer, a geomembrane layer, or other impervious material.

煤料和石灰石存放场必须有底部防渗系统。该系统可由粘土层、地质处理用膜层、或其他防渗材料组成。

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Scholars of the Albright school pointed to texts and clay tablets that were discovered in second millennium sites. So you see down on the bottom the second millennium BCE, obviously going down to 1000; first millennium: 1000 to 0.

亚布莱特学院的学者们指的是,两千多年前的遗址中发现文件和泥板文献，你们看下面,公元前第二个千年，再显然的,往下到一千年；第一个千年是公元前1000年到公元元年。

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Grotzinger knew from satellite images that there was a layer of crystalline red hematite near the bottom, then a layer of clay about a hundred and sixty feet above it, then a layer of sulfates above that.

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All officially recognized courts have a court pace rating (CPR), which rates the "speed" of the court -- and clay courts are at the bottom.

CNN: Tennis interactive: Why clay is so different