文章首先探讨了PD M与相关技术的信息集成和数据库基础，构建了成本控制系统的技术支持平台。

At first, it discusses the integration of information from PDM and interrelated techniques, and the foundation of database, which constructs the technical support platform of cost control system.

youdao

文章首先探讨了PD M与相关技术的信息集成和数据库基础，构建了成本控制系统的技术支持平台。

At first, it discusses the integration of information from PDM and interrelated techniques, and the foundation of database, which constructs the technical support platform of cost control system.

youdao