标 准 号：BS EN ISO 5817-2007 简体中文标题：焊接.钢、镍、钛和其合金的熔焊接头(束焊除外).缺陷的质量等级 繁体中文标题：焊接.钢、镍、钛和其合金的熔焊接头(束焊除外).缺陷的质量等级 English Name：Welding - Fusion-welded joints in steel, nickel, titanium and their alloys (beam welding excluded) - Quality levels for imperfections中文主题词：验收检验;合金钢;合金;电弧焊接;对接;...