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(duì)管道熱縮套下對(duì)接環(huán)形焊縫附近爆裂的實(shí)際案例進(jìn)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(shí)踐，摸索總結(jié)出了一種螺旋焊管對(duì)接新方法——兩點(diǎn)點(diǎn)固對(duì)接法。