With gasketed connections, the material of construction of the washer is important, both for compatibility with the gases in use and for its mechanical properties.
对于衬垫接头，垫圈的结构材料对于使用的气体的相容性和垫圈的机械性能都是很重要的。
Besides cement dose, mud content and construction control, aggregate grade is one of the important factors which affect the shrinkage properties of cement stabilized material bases.
除了水泥剂量、含泥量和施工控制等因素外，集料级配是影响水泥稳定粒料基层收缩特性的重要因素。
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。
This is a systematic project, related to mechanical analysis, material properties, construction techniques and other aspects of the study.
这是一项系统工程，涉及到力学分析、材料特性、施工工艺等多方面的研究。
When concrete is mixed with appropriate admixtures, its material properties can be good enough to meet the demands of construction technology.
在混凝土中加入适当且适量的混凝土外加剂，能使其具有良好的性能，从而满足工工艺的要求。
Research indicated that it is the properties of material and the system of its construction that decide its ballistic impact property.
研究表明，材料特性和材料的组成方式影响弹道冲击性能。
Studies for the mechanical properties of concrete are very important to increase the strength of concrete material, improve design level and reduce the construction cost.
其力学特性的研究对充分发挥材料的强度，提高设计水平和降低工程造价具有十分重要的意义。
But the mechanical properties of weld joint have influence on selection of welding technology and welding material, and on strength calculation of construction.
而接头性能直接影响着结构焊接工艺的选择和强度计算。
This paper presents raw material properties of FRP sandwich construction for ship. FRP sandwich construction design for local and overall strength of ship hull.
本文简单介绍船用玻璃钢夹层结构的原材料性能，船体局部强度的玻璃钢夹层结构设计，及船体总强度的玻璃钢夹层结构设计。
The mechanical properties of recycled aggregate concrete at early age are very important for the construction projects safety using this kind of material.
再生混凝土的早期抗压强度和弹性模量对于该类结构施工期的安全性具有重要影响。
The mechanical properties of recycled aggregate concrete at early age are very important for the construction projects safety using this kind of material.
再生混凝土的早期抗压强度和弹性模量对于该类结构施工期的安全性具有重要影响。
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