Galvanized sheet is readily spot-or seam-welded, but arc gas welding will boil off the zinc coating.
镀锌板上有焊点或焊缝, 但是电弧焊会烧掉锌层.
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Cordlock toggle system in hem at side seam facing towards the senter front.
下摆侧缝有拉绳及拉绳调节扣,朝向前中.
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Unfortunately out immediately to the drilling to find a seam, then the people Zouguang out.
不幸掏出来的应该立刻找一条缝钻进去, 人走光了再出来.
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Cause analysis of welded seam cracking for comb-shaped seal passing through the roof of reheater
再热器穿顶棚梳形密封焊口开裂原因分析
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三软不稳定煤层一次采全高液压支架关键部件设计
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The Application of Combined Supporting Coal Seam to Roadway Soft Rock Crossing Coal Faultage
软岩开拓巷道过煤层断层时联合支护的应用
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Analyses of Automatic Tracking System on Torch of Boiler Drum Longitude Seam Welding
纵环缝焊机焊头自动跟踪系统分析
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Failure analysis in unde ( ? ) on the br ( ? ) ak of flash welding seam of rail.
对钢轨闪光焊缝脆断做了失效分析.
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The ultrasonic C-scan testing method is used in detecting electron beam welding ( EBW ) seam.
采用超声C扫描技术检测结构件的 电子束 焊焊缝.
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设计制作电子束焊焊缝模拟对比试样, 利用模拟对比试样研究超声C扫描检测工艺.
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讨论了SHS焊接接头显微结构特征, 焊缝的形成过程及断口形貌等等.
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The fine welding seam can be gotten using continuous VEB welding technology.
采用连续式真空电子束焊接技术可以得到优良的焊缝.
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建立了非旋转管道环缝焊接自动控制系统,并介绍了其系统结构和工作原理.
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激光拼焊板焊缝中心为大量细小的等轴晶;热影响区不明显,在熔合线附近存在少量沿散热方向生长的柱状晶和胞状树枝晶。
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Natural Desorption Rate and Attenuation Coefficient of Coal Seam Gas and its Significance
煤层瓦斯初始自然解吸速率和衰减系数及其意义
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具体研究内容如下:(1)对交变磁场焊缝跟踪传感器的基础理论和可行性进行研究。
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