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
性的确定方法,气材料的选择及气层的做法,
用正压法检测气调库气性的具体操作过程,并给
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.
论述气调库气性的确定方法,气材料的选择及气层的做法,用正压法检测气调库气性的具体操作过程,并给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进行优化计算,利用优化设计程序对不同参数下的截面状态和工程造价进行分析比较。
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