QW-410.65' M" y3 ^ X' W
The addition or deletion of grinding beyond that required to clean the surface or remove minor surface flaws(i.e.,use or nonuse of half-bead technique or similar technique). 2 v9 G! j& [3 {$ M请问这里的half-bead technique 指的是什么技术?是说多道焊接时的每道之间压一半吗?