焊缝记号的英文

• weld marking

• 焊缝:    soldering seam; weld bead; w ...
• 记号:    mark; sign; tick; designatio ...
• 车缝记号:    stitch down construction; stitch marking
• 单缝记波法:    single slit kymography
• 记号:    mark; sign; tick; designation; symbolism; marking; sentinel; notation; [计算机] character; spot mark; token 做个记号 make a sign; mark out