butt welded end 对焊端 ; 坡口端 ; 对于焊端
butt welded 对焊的 ; 对接焊接的
butt-welded tube 对缝焊管 ; [机] 对焊钢管 ; 对口焊接钢管
butt welded joint 对焊连接 ; 对接焊节点 ; 对焊接头 ; 对焊法兰连接
butt welded pipe 对缝焊管 ; 对接焊管 ; 平焊接管 ; 直缝焊管
butt welded tube 对接焊管 ; 平焊接管
butt-welded pipe 对缝焊接管
butt-welded joint 对焊接头 ; 对接焊接头
butt-welded seam 对接焊缝 ; 对焊缝
The round plates with arc shaped butt-welded joints were used for stopping sone tube holes which were moved away to another proper positions in the pipes.
采取有弧度的圆形镶块，以对接接头的形式堵补部分管孔，将其移位到管道上的合适位置。
The status of the radiographic technology for the butt-welded joints in small diameter tubes are re-viewed briefly. The key points are discussed for the development of radiographic technology.
简要评述小直径管对接焊缝射线照相的特点、方法以及现行技术规定。
Having been practiced for several years, a new butt method for spiral welded pipe, the two spots tack-weld butt was made out.
通过几年来的实践，摸索总结出了一种螺旋焊管对接新方法——两点点固对接法。
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