A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述调库密性确定方法,密材料选择及密层做法,介正压法检测调库密性操作过程,并给出国内外不同密性标准。
A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述调库密性确定方法,密材料选择及密层做法,介正压法检测调库密性操作过程,并给出国内外不同密性标准。
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