A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述了气调库气性的确定方法,气材料的选择及气层的做法,介绍了用正压法检测气调库气性的具体操作过程,并给出了国内外的不同气性标准。
A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.
论述了气调库气性的确定方法,气材料的选择及气层的做法,介绍了用正压法检测气调库气性的具体操作过程,并给出了国内外的不同气性标准。
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优化计算,利用优化设计程序对不同参数下的截面状态和工程造价析比较。
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