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焊缝焊接

焊缝焊接

焊缝焊接

焊缝焊接

2

Double wire welding and automatic ultrasonic testing(AUT) applied in construction of submarine pipeline were introduced .

介绍了双丝焊接技术和自动超声波检测技术在海底管线环焊缝焊接施工中的应用。

3

The automatic welding of the cylinder was realized , and the labor efficiency was improved .

实现了缸体环焊缝焊接自动化，提高了劳动效率。

7

Comparison of the Welding Method to the Full Penetration Weld for the Small-diameter Steel Drum

小直径筒体全熔透焊缝焊接方法比较

8

Experimental study of residual stress in girth weld of large pressure hull

大型耐压壳环焊缝焊接残余应力实验研究

10

Quality Evaluation of the Girth Welding Connection of ERW Welding Pipe

ERW 焊管环焊缝焊接接头的质量评定

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