Study showed that angle deformation of T joint is changed along the welded seam length.
研究表明,T形接头的角变形沿焊缝长度方向是变化的。
This article discusses how to prevent and lessen welding distortion during welding producing from many aspect such as welding seam length and size, welding form, welding surface size, welding method.
论述在焊接生产中,如何防止和减少焊接变形,并在焊缝长短、焊缝大小、焊接形式、焊接面大小、焊接方法方面加以探索。
This paper analyzed the influence of mining depth, coal seam dip, mining height and face length on depth of floor water-conductive fissure zone.
综合分析了开采深度、煤层倾角、煤层开采厚度、工作面斜长等地质采矿条件对底板采动导水破坏带深度的影响。
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