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1·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。

2·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。

3·This research is of important engineering value to real-time test of resistance spot and seam welding quality.

上述研究成果对于实现点、缝焊质量的实时检测，有重要的工程应用价值。

4·The mechanism of ultrasonic seam welding of copper plates and tubes for collecting solar energy was investigated.

研究了太阳能集热铜片和铜管的超声波缝焊机理。

5·The automatic control system of circular seam welding process for non - rotated pipeline was developed in the paper.

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。

6·A new type of inverter of resistance seam welding power supply was developed for precision welding in device packaging.

电阻缝焊在器件封装等应用中要求电源具有较高的精密性。

7·The fixing and sealing may choose among parallel - seam welding, braze welding, glass - melting - sealing and resin binding.

封盖可选择平行缝焊、 钎焊、 玻璃熔封或树脂粘结。

8·The control principle and software of the microcomputer controller used in DC impulse seam welding are introduced in this paper.

本文介绍了直流冲击波缝焊微机控制器的控制原理及软件系统。

9·The gap control device to ensure the weld seam welding space meet the requirements, diameter, misalignment and weld gap have been strictly controlled.

采用焊缝间隙控制装置来保证焊缝间隙满足焊接要求，管径，错边量和焊缝间隙都得到严格的控制。

10·The invention discloses a circular seam welding machine for fixed pipes, which relates to the improvement on circular seam welding machines for large pipes.

不动管环缝焊接机是涉及大型管件环缝焊接机的改进。