BS EN 12517-2-2008 焊缝的无损检验通过射线照相术评估铝及铝合

liuxilin1215 发表于 2015-5-13 20:00:14

BS EN 12517-2-2008 Non-destructive testing of welds Part 2: Evaluation of welded joints in aluminium and its alloys by radiography — Acceptance levels
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

admin 发表于 2015-5-14 11:13:20