名词
中文翻译：回流柱
同义词：
['reflux tube', 'reflux conduit', 'reflux chamber']
例句：
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1. The reflux column is crucial for the chemical reaction.
回流柱对于化学反应至关重要。
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2.The reflux column was used to separate different components in the mixture.
回流柱用于混合物中不同组分的分离。
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3.The reflux column was designed to minimize contamination during the extraction process.
回流柱被设计成在提取过程中尽量减少污染。