英语词汇high vacuum是什么意思，high vacuum的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	high vacuum
释义	DEFINITIVE EXAMPLES 权威例句〔freeze-dry〕To preserve (food, for example) by rapid freezing and drying in a high vacuum.使冷冻干燥：通过在高度真空状态下迅速冷冻并干燥来保存（如食物）美国传统
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