... background returns ==> 背景反射 background roller ==> 满地印花辊筒 background screen ==> 背景幕布 ...
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With the background of Gatling gun′s cam curve slot and main roller system, dynamics analysis of high speed inverse cylinder cam mechanism was carried out.
以转管武器凸轮曲线槽主滚轮系统为背景，进行了高速反圆柱凸轮机构滚轮动力学分析。
Software developing principle of CAD for roller machine has been introduced with background, structure, pri-mary contents and methods.
介绍了卷板机CAD软件的开发原理，给出了系统的开发背景、结构、基本内容和方法。
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