weld seam pipe的意思|示意

But with the same length of straight seam pipe than the weld length of 30 ~ 100%, and lower production rate.

但是与相同长度的直缝管相比，焊缝长度增加30 ~ 100%，而且生产速度较低。

It analyses quadratic phase stainless and its metal compound generated from weld seam and HAZ, which affect welded pipe usage property.

分析了双相不锈钢及其焊缝和热影响区中产生的金属间化合物等二次相对焊管使用性能的影响。

Aimed at spirally welded steel pipe, a visual sensor for automatic weld seam tracking system is developed.

针对螺旋埋弧焊钢管外焊，研制了一种基于视觉传感的焊缝自动跟踪系统。