QW-410.65的疑问

zsc19751013

QW-410.65
  T: K$ }5 X( H9 z8 {  E- X* v1 z/ lThe 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).
8 `3 \" b2 K& [7 C& p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？