Structural design and operational principle of molds for plastics piston pump housings are presented. The mold presents itself as a simple and rational piece of design work.
介绍了柱塞式液压泵塑料壳体注塑成型模具的结构设计和工作原理，该模具具有简单合理、动作可靠等特点。
This paper introduced the military tactics airplane electronics equipments standard mold piece the design, being of great benefit to the design thought of the improvement electronics system.
本文将对战术飞机电子设备标准模块设计作简要介绍，对改进电子系统的设计思想是大有裨益的。
This paper introduce the management information system design from the business model analyzing, function mold piece analyzing, system construction designing, system function designing, etc.
本文从业务模型分析、功能模块分析、系统结构和功能设计等方面，提出了输电线路管理信息系统的开发设计思想和方法。
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