narrow gap one-side automatic welding

焊接专业英语（二）_士凯哥_新浪博客 ... normal weld 正常焊接 narrow gap one-side automatic welding 窄间隙单面自动电弧 …

... narrow gap helix 窄缝螺旋线 narrow gap one-side automatic welding 狭间隙单面自动电弧焊 narrow gate 窄选通脉冲，窄闸 …

造船工程... ... 襟翼舵 napped rudder 窄缝单面自动电孤焊 narrow gap one-side automatic welding 窄缝焊法 narrow gap weldin…