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真空冷却干燥技术
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真空冷却干燥技术
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工学
食品冷冻保鲜设备
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freeze drying
真空冷却干燥技术
将含水物料在低温状态下冻结,然后在真空条件下,使冰直接升华成水蒸气并排掉脱水物料中的水分使物料干燥的技术。简称冷冻干燥。
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