本文介绍了大型燃油锅炉经拼板焊接和冷旋压加工制造而成的平管板封头残余应力试验。
This article introduced the experiment of residual stress in flat tubeplate head of large scale fuel boiler that was manufactured by cold rotary extruding and butt weld.
文章对换热器中管子和管板的几种常用联接方式从制造、使用及维修的角度进行了分析、比较。
In this paper, a few common joint ways of heat exchanger tube-to-tube sheet are analyzed and compared on manufacture, apply and repair.
图案形成方法，有机场效应晶体管的制造方法，以及柔性印刷电路板的制造方法。
Patterning method, method of manufacturing organic field effect transistor, and method of manufacturing flexible printed circuit board.
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