A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述了
调库
的确定方法,材料的选择及层的
法,
绍了用正压法检测调库的具体操作过程,并给出了国内外的不同标准。
A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述了调库的确定方法,材料的选择及层的法,绍了用正压法检测调库的具体操作过程,并给出了国内外的不同标准。
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