building plumbering

The results indicate that the processing of cold-isostatic-pressing(CIP) can increase the fill factor and the ]r of tape.

结果表明:采用压棒装管工艺提高了带材芯丝的填充系统,有利于提高带材的工程电流密度;第一次热处理后带材表面的鼓泡明显比松装带材少,有利于提高电流沿长度方向上的均匀性,更适合制备长带。

In order to deal with the equipment management problem in aviation enterprise,the equipment management system oriented to aviation enterprise based on PDM was put forward;the architecture and the function model of this system was built;and the hierarchy of data type for equipment and the operation control model based on flow were studied.

为了解决航空企业工装管理上存在的管理手段落后、信息共享不及时等问题,构建了面向航空企业的以PDM平台为基础的工装管理系统,分析了系统的体系结构,给出了系统的功能模型,研究了工装的数据类型与层次结构关系、基于流程的业务控制模式等关键技术。