名词
中文翻译：真空柱同义词
同义词：
['vacuum tube', 'vacuum tube column']
例句：
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1. The vacuum column is used to removeimpurities from the gas.
真空柱用于从气体中去除杂质。
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2. The vacuumcolumn was designed to withstand high temperaturesand pressures.
真空柱被设计来承受高温和高压。
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3. The vacuum column wasused in the manufacturing process of electronic devices.
真空柱在电子器件的生产过程中被使用。