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,介绍了用正
法
测调性的具体操作过程,并给出了国内外的不同性标准。
A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述了调性的确定方法,材料的选择及层的做法,介绍了用正法测调性的具体操作过程,并给出了国内外的不同性标准。
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