The selection of macromolecular elastic material, model design and production, and the producing technics of ballast padding plate for urban rail are analyzed and evaluated.
对城市铁路轨道道碴垫层研制从高分子弹性材料选择、模具设计加工及生产工艺三方面进行了分析与评价。
The article briefly introduces the interior trim design principle, scheme, model, detail, material selection and installation technology about CA6124SH8 hybrid electric bus.
简要介绍CA6124SH8型混合动力客车内饰的设计原则、方案、造型、细节、材料选择及安装工艺。
In this paper, an AHP model for selecting projects in product development was put forward and an application example of this selection approach in building material product development was given.
本文利用层次分析法，提出了新产品开发方案选择的层次分析结构模型，并以建材产品为例进行了应用探讨。
The utility model has the advantages of reasonable material selection, high intensity, good tightness and corrosion resistance.
选材合理有较高的强度、耐腐蚀和密封性好。
The utility model has the advantages of reasonable material selection, high intensity, good tightness and corrosion resistance.
选材合理有较高的强度、耐腐蚀和密封性好。
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