名词
中文翻译：部分真空
同义词：
['partial depressurization', 'partial reduction of pressure']
例句：
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1. The engineers were working on a project that required a partial vacuum for the process to work properly.
工程师们正在处理一个项目，该项目需要部分真空才能使过程正常工作。
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2. During the manufacturing process, it's important to maintain a partial vacuum to prevent contamination.
在生产过程中，保持部分真空以防止污染是很重要的。
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3.The partial vacuum created by the pump helped to remove the air from the chamber more efficiently.
泵产生的部分真空帮助更有效地从腔室中去除空气。