spire welded pipe

• 螺旋焊管

spire welded pipe的用法和样例：

例句

1. The diameter control is one of the important quality index for spiral welded steel pipes.
   螺旋焊接钢管的直径控制是螺旋焊管生产的重要质量指标之一。
2. A study concerning the feasibility of equipment for producing the inner ribbed spiral tubes with the existing pipe welding line is given.
   分析了在现有焊管机组上生产内凸筋螺旋焊管的设备可行性。