weld line

• 熔合痕,焊接线,焊线,焊缝线,焊缝轴线

weld line的用法和样例：

例句

1. Variations in the properties of the weld occurring at short regular intervals along the weld line due to repetitive variation in welding heat.
   由于焊接热量周期变化，使得沿焊缝线每一固定的小间距焊缝的性能出现周期性变化。