仮かり溶よう接せつ

noun

tack welding; temporary welding

Technical term in welding and metalworking for a temporary weld used to hold parts in place before final welding.

• 本ほん溶よう接せつの前まえに、仮かり溶よう接せつで部ぶ品ひんを固こ定ていします。

  Before the final welding, we fix the parts with tack welding.