名词短语中文翻译
中文翻译：封闭的安瓿真空扩散
同义词：
['closed vial', 'sealed vial', 'closed vial for diffusion']
例句：
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1. The closed ampoule was used for the isolation of pure compounds.
这个封闭的安瓿用于纯化合物的分离。
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2.The sealed vial was filled with a solution of salts and used for diffusion studies.
这个密封的安瓿被装满了盐溶液，用于扩散研究。
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3.The closed vial was carefully opened to release the gaseous compound.
这个封闭的安瓿被小心地打开，以释放气体化合物。