roller spot-and-seam welding machine的意思|示意
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辊式点-缝焊机
roller spot-and-seam welding machine的网络常见释义
辊式点 roller snap thread gage 滚柱螺纹卡规 roller spot-and-seam welding machine 辊式点-缝焊机 roller suspension pipemaking machine 滚筒悬置式制管机 ..
辊式点缝焊机 ... rolled steel for welded structure焊接结构用轧制钢材 roller spot-and-seam welding machine辊式点缝焊机 roller welding轧焊 ...