welded seam

基本解释

The reasonable widths of backup strip are experimented with the strength factor of the welded seam for a particular kind of PVC/PES.
PES背贴焊接缝合试验，得到了应力-应变曲线、背贴条宽度、焊接缝合强度系数；
Introduce welded seam specification, standards performed, inspectation items and acceptable index for welding of body and joint pipe.
介绍了阀体与接管焊接的焊缝技术要求、执行标准、检验内容及合格指标。
In this paper, the rule of fatigue cracks propagation rate in the welded seam, HAZ, base metal and vertical welded seam in the welding joints of EQ1170KA Bus chassis are studied.
本文研究了EQ1170KA客车底盘焊接接头疲劳裂纹扩展速率的规律，结果表明：焊接接头不同部位的疲劳裂纹扩展速率各不相同，焊接残余应力和金相组织对疲劳裂纹扩展速率都有一定的影响。