名词
中文翻译：Unknown
同义词：
['concentrator', 'concentrater']
例句：
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1. The concentrator isdesigned to remove impurities from theliquid.
浓缩器设计用来去除液体中的杂质。
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2. The concentrator was used toconcentrate the oil in the crude.
浓缩器被用来从原油中提炼出油。
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3.The concentrator is a crucial componentof the oil refining process.
浓缩器是石油精炼过程中的关键组件。