root of weld

机械英语词汇（总） - 豆丁网 ... 焊缝 seam 焊根 root of weld 焊波 ripple ...

焊接专业网焊接英汉词典... ... root gap of weld 焊缝根部间隙 root of weld 焊缝根部；焊根 root opening of weld 焊缝根部间隙 ...

直角三角形_馆档网 ... "齿根"," root of tooth" "熔接根"," root of weld" "根深透(熔接)"," root penetration" ...