底边无缝焊 无间隙焊缝的英文

closedweld

• 底边:    base bottom margin
• 无缝:    seamless
• 焊:    weld; solder
• 无间:    not keeping anythi ...
• 隙:    crack; chink; crev ...
• 焊缝:    soldering seam; we ...