A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述了气库气密定方法,气密材料选择及气密层做法,介绍了用正压法检测气库气密具体操作过程,并给出了国内外不同气密标准。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。