To make a special research about an Introduction to Mold by studying can remedy the design part of the course so that the students can master a set of integrated and systematic knowledge.
利用研究性学习进行模具概论课程专题研究，可以弥补模具课程设计这一环节。
A second generation mold requires a master model geometry that is a mirror image about the part design surface as described in the schematic below.
第二代模具要求原模的几何形状是部件形状的镜像。
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