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
气调库气密性的
法,气密材料的选择
气密层的做法,介绍
压法检测气调库气密性的具体操作过程,并给出国内外的不同气密性标准。
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3G, 401(K), a,
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