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单词 freeze-drying
释义 freeze-drying
 /freez"druy"ing/,  n.  
 a process for drying heat-sensitive substances, as foods, blood plasma, antibiotics, and the like, by freezing the substance and then subliming the ice or other frozen solvent in a high vacuum.
 [1940-45]
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更新时间:2024/11/10 15:24:25