装配关系和模具零件由特征描述，特征间的相互联系则由父子关系结构来描述。
The assembly relationship and parts of the die and mould are described by feature.
有了这些模具以及在当地购买的金属零件，可以装配无限台机器。
With the molds an unlimited number of machines can be built with locally purchased metal parts.
通过前面的设计方案画出模具各零件图和装配图。
Design through the draw die in front of all parts drawings and assembly drawings.
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