QW-410.65的疑问

zsc19751013

QW-410.65
" M& \+ r0 G+ g/ a! a4 q  nThe 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).
$ P+ c2 e, i% n1 Z3 G$ S# x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？