名词
中文翻译：过滤片
同义词：
['filter', 'filter element']
例句：
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1.The scientist used a filtergram to analyze the sample.
科学家使用了一个过滤器来分析样本。
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2. The filtergram showed that the water was contaminated with chemicals.
过滤器显示水被化学物质污染了。
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3. The filtergram helped us to identify the source of the pollution.
过滤器帮助我们确定了污染的来源。