The latter often dominates the effective scalability of production applications. 后者通常控制着生产应用程序的有效可伸缩性。
The experimental results and application effects of weld toughness of spirally submerged arc welded pipe are introduced. 本文介绍了埋弧焊钢管焊缝韧性试验研究的结果及工业生产应用效果。