longitudinal seam welding meaning in Chinese
纵缝焊接, 纵向滚焊(焊缝)
纵向缝焊
Examples
- Cold - formed rectangular tube - steel column for architecture structure is formed by roll cold - winding forming process and hf longitudinal seam weld
建筑结构用冷弯矩形钢管是采用冷轧或热轧钢带,经连续辊式冷弯及高频直缝焊接生产形成的矩形钢管。