continuous seam weld连续: 6年未出事故. There have been no a ...滚焊: mash weld; roll welding; sea ...焊缝: soldering seam; weld bead; w ...滚焊焊缝: rolling seam weld; seam weld滚焊焊缝机: roller seam weld下载手机词典可随时随地查词查翻译
