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
调库密性的确定方法,密材料的选择及密层的做法,介绍了
法
调库密性的具体操作过程,并给出了国内外的不同密性标准。
A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述了调库密性的确定方法,密材料的选择及密层的做法,介绍了法调库密性的具体操作过程,并给出了国内外的不同密性标准。
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。
