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
性的确定方法,材料的选择及层的做法,
绍了用正压法检测调性的具体操作过
,
出了国内外的不同性标准。
性;封度;封性;不透性A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述了调性的确定方法,材料的选择及层的做法,绍了用正压法检测调性的具体操作过,出了国内外的不同性标准。
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