释义 |
spire welded pipe 基本例句 螺旋焊管 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。 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。 |