In this paper, the principle of model selection for urban rail cars are put forward.
文章提出了城市轨道车辆选型的原则,介绍了天津津滨轻轨车辆选型的特点.
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Constitution and working principle of Model WGSH 80 Forging Press with Double Cone Roller have been described.
主要阐述了WGSH80型双锥辊辗压机液压系统的组成及其工作原理.
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