straight-seam submerged arc welded pipe

• 直缝埋弧焊管

straight-seam submerged arc welded pipe的用法和样例：

例句

1. The formula is applied to the prebending design of large diameter weld pipe produced by UOE.
   预弯边机是大直径直缝埋弧焊管生产线的关键设备之一。