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
确定方法,密材料
及密层做法,介绍了用正压法检测调库密性具体操作过程,并给出了
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.
论述了调库密性确定方法,密材料及密层做法,介绍了用正压法检测调库密性具体操作过程,并给出了不同密性标准。
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