名词
中文翻译：粗糙过滤
同义词：
['rough screening', 'rough purification']
例句：
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1.The process of rough filtration is crucial for the removal of impurities in water.
粗滤过程对于去除水中的杂质至关重要。
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2. During the rough filtration stage, the particles larger than 0.1 microns are removed.
在粗滤阶段，大于0.1微米的颗粒被去除。
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3. The rough filtration method is more effective in removing larger particles from the water.
这种粗滤方法在从水中去除较大颗粒方面更有效。