以下为句子列表：
英文: Abstract: The paper introduces a forming process and design of progressive die for moveable spring used on a relay,and it carries on a process of double-layer forming and a way to protect useless stuff from jumping onto bottom plate.
中文: 文摘:介绍了某继电器中的动簧片成形工艺确定和级进模设计、在级进模中叠片成形及防止小废料上带的一种方法。
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英文: Based on the technological analysis of the auto front lamp holder plate with 3 angles, the layout for forming the part with a multi_position progressive die and the structure of the die were put forward.
中文: 在对汽车前灯座三角盘进行工艺分析的基础上，提出了该零件多工位级进冲压成形排样方案及相应的模具结构。
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英文: Be Over 3 years' experience at tooling building or maintenance position in high precision progressive die field.
中文: 3年以上在高精密级进模行业内，模具制造，维护的工作经验。
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英文: The mathematics model of multiobjective optimum combination, good algorithms and CAD system for strip layout of multistep progressive die are given in this paper.
中文: 摘要提出了多工位级进模工步设计的多目标最优化组合的数学模型、通用算法以及建立其CAD系统的实现方法。
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英文: Design of the Multi-Position Progressive Die for the Washers
中文: 多工位传递式级进模设计
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