短語詞組短語longitudinal resistance seam welding [機]縱向電阻縫焊longitudinal welding seam 縱向焊縫of longitudinal weld seam 經(jīng)向錯皮longitudinal impedance seam 縱焊縫longitudinal resistance seam welder 縱向電阻縫焊機longitudinal welded seam 縱向焊縫lws longitudinal welded seam 縱向焊縫longitudinal weld seam 徑向錯皮Longitudinal -Seam Submerged 直縫埋弧焊管 返回 longitudinal seam