spiral weld

基本解釋

An analysis is carried out to a practical case of a pipeline rupture happened near spiral weld under field applied heat shrinkable sleeves.
對管道熱縮套下對接環(huán)形焊縫附近爆裂的實際案例進行了分析。
The spiral welded pipe weld seam probe frame has the benefits that: (1) the flexible spindle is adopted, so that a probe and a weld seam can be fully closed, so as to reduce error;
本發(fā)明的有益效果是：1）采用柔性主軸，使探頭和焊縫能保證完全彌合，減少誤差；
ip.com
Having been practiced for several years, a new butt method for spiral welded pipe, the two spots tack-weld butt was made out.
通過幾年來的實踐，摸索總結出了一種螺旋焊管對接新方法——兩點點固對接法。