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
方法,气密材料选择及气密层做法,介绍了用正压法检测气调库气密性具体操作过程,并给
了国内外不同气密性标准。
A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述了气调库气密性方法,气密材料选择及气密层做法,介绍了用正压法检测气调库气密性具体操作过程,并给了国内外不同气密性标准。
Counterfort retaining walls are optimized in the paper, using the optimum program, costs of different counterfort retaining wall parameters were calculated and based on the contrast analysis.
本文对扶壁式挡土墙进行优化计算,利用优化设计程序对不同参数
面状态和工程造价进行分析比较。
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