With the method of industry design, I analyze and compare the mechanical systems, make out of the best design project, then lay the foundation of gas valve design from the Angle of complement.
这里应用工业设计思想，从系统的角度出发对天然气阀的机械系统进行了分析比较，得出了最佳设计方案，为天然气阀的设计奠定了基础。
The reliability design of mechanical product is the foundation and key of ensuring mechanical product reliability.
机械产品可靠性设计是保证机械产品可靠性的基础和关键。
The design of tower structures foundation is more complicated than common structures, and it is difficult to study tower structure mechanical durability and diagnose its defects.
相对一般结构而言，高耸工程结构的基础设计更为复杂，其力学耐久性研究和病害诊断也更显困难。
The physical and mechanical properties, structure design and construction technology of the mixing material of the fly ash and lime applied in the foundation of airfield road are presented.
论述了粉煤灰、石灰混合料在机场场道基层中应用的物理力学性能、结构设计和施工要点。
It is of great importance to precisely appraise the mechanical characteristics and to provide credible design parameters of soils for the design of foundation engineering.
精确地评价土的力学性质，提供可信赖的设计参数，对岩土工程设计具有重要的现实意义。
It is of great importance to precisely appraise the mechanical characteristics and to provide credible design parameters of soils for the design of foundation engineering.
精确地评价土的力学性质，提供可信赖的设计参数，对岩土工程设计具有重要的现实意义。
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