名词
中文翻译：逆流洗涤同义词
同义词：
['backwash', 'counterflow washing']
例句：
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1. The process of countercurrent washing is essential for removing impurities from the water.
逆流洗涤过程对于从水中去除杂质至关重要。
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2. In this case, the countercurrent washing method was used to remove oil from the soil.
在这种情况下，逆流洗涤方法被用来从土壤中去除油。
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3. The countercurrent washing system is designed to efficiently clean and purify water.
逆流洗涤系统旨在高效地清洁和净化水。