QW-410.652 w" m$ I, O- O/ i' R, H% ~6 R
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). ; a4 `: B% c2 w- E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?