regulable

A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.

论述了气调库气密性的确定方法,气密材料的气密层的做法,介绍了用正压法检测气调库气密性的具体操,并给出了国内外的不同气密性标准。