longitudinal seam

常用短語

welding of longitudinal seam縱縫焊接

longitudinal seam welding縱縫焊接；縱向縫焊；縱向滾焊

longitudinal seam welder縱縫焊機

longitudinal weld longitudinal seam縱向焊縫

longitudinal seam welding machine縱縫焊機

high-frenquency longitudinal-seam steel pipe直縫高頻焊管

equation of longitudinal seam縱縫方程

Longitudinal -Seam Submerged直縫埋弧焊管