It had remarkable advantages to use the new reversible heat exchanger freezing method process for large air separation devices.
大型空分装置使用新型可逆式换热器冻结法流程在经济上有相当的优越性。
The utility model overcomes existing defects of the existing air supply freezing method of the packaged foods.
本实用新型克服了现有的包装食品采用送风冷冻方式所存在的一些缺点。
The utility model overcomes existing defects of the existing air supply freezing method of the packaged foods.
本实用新型克服了现有的包装食品采用送风冷冻方式所存在的一些缺点。
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