Parallel seam welding technology is a safety, effective and reliable method.

平行缝焊技术是一种安全 、 高效、可靠的焊接方法.

The circumferential welding and the straight seam welding at all position can be realizable by using welding crawl equipment for all position together with the flexible metal band track.

全位置焊接爬行器配用柔性的钢带轨道可实现空间位置的环缝和直缝焊接。

Application of automobile difference velocity principle in seam welding machine is introduced.

介绍了汽车差速原理在缝焊机中的应用.

The nondestructive inspection methods applied in resistance spot and seam welding were introduced.

介绍了点、缝焊质量无损检测主要方法的基本原理、优缺点以及发展现状.