名词
中文翻译：Unknown
同义词：
['flocculation', 'flocculation', 'flocculation']
例句：
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1. The water was so dirty that it had to be flocculated before being filtered.
水太脏了，需要先絮凝再过滤。
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2. The bacteria in the water were flocculating and settling together.
水中的细菌正在絮凝并沉降在一起。
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3. The chemical used as a flocculant is added to the wastewater to help break down solids.
用作絮凝剂的化学物质被添加到废水中，帮助分解固体物质。