Tack Welds/Backing Strips/Peening(焊接)? 关于焊接技巧:e--c tack welds :those that meet all requirements of this specification may remain in place, otherwise they shall be removed. 定位焊缝:满足本技术要求的可以留在原位,否则应除掉 。 method: stringer bead . (weaving should be avoided to minimise the loss of shielding and risk of contamination). 方法: 直进焊道 。(应避免摆动焊,以使保护损失和污染风险降至最低)。 backing strips : not permitted. 垫板: 不允许。 peening :not permitted 锤击:不允许。 查看更多