helical weld pipe 螺旋焊管
resistance weld pipe 电阻焊管 ; 接触焊管
butt weld pipe mill 直缝焊管轧机 ; 对焊管机
butt-weld pipe mill 对焊管轧机
helical-weld pipe 螺旋焊管
spiral weld pipe mill 螺旋焊管机
electric weld pipe mill 电焊钢管轧管机
Accordingly, countermeasures are proposed to improve the apparent quality of the weld pipe.
提出了有效改善焊管表面质量的措施。
The paper briefly describes the design features of the outer-bur scraping system for hi-frequency weld pipe.
简介了改进的高频焊管外毛刺刮削机构的设计特点。
The surface quality of the spiral weld pipe is as so critical a quality assurance element as its interior quality.
螺旋焊管的表面质量与其内在质量同样是焊管质量的重要保证因素。
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