标 准 编 号：BS EN 12517-2-2008 简体中文标题：焊缝的无损检验.通过射线照相术评估铝及铝合金的焊接接头.验收等级 繁体中文标题：焊缝的无损检验.通过射线照相术评估铝及铝合金的焊接接头.验收等级 English Name：Non-destructive testing of welds - Evaluation of welded joints in aluminium and its alloys by radiography - Acceptance levels ...