Based on CATIA, the model of the secondarygear reducer is built.
基于三维设计软件CATIA，构建了二级齿轮减速器的实体模型。
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Chile, El Salvador, Colombia, Korea, Singapore and Malaysia are all moving to gearsecondary education toward skills and knowledge sought in the workplace, thereby improving curriculum relevance.
The thesis presents a practical die structure with Angle pin and gear shaft and rack for secondary combined inclined down loosing core of die casting hopper bodies.