名词
中文翻译：Unknown
同义词：
['filtration', 'filtration process', 'filtration system']
例句：
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1. The filter isdesigned to remove impurities from the water.
这个过滤器设计用来从水中去除杂质。
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2. The filtration process involves passing the liquid through a filter.
过滤过程涉及将液体通过过滤器。
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3. The filtration system is responsible for maintaining clean water in the city.
过滤系统负责维护城市中的清洁水。