GB/T 41979.5-2022搅拌摩擦点焊铝及铝合金第5部分:质量与检验要求国家标准
英文:Friction stir spot welding—Aluminium and its alloys—Part 5:Quality and inspection requirements GB/T 41979.5-2022介绍: 国...
英文:Friction stir spot welding—Aluminium and its alloys—Part 5:Quality and inspection requirements GB/T 41979.5-2022介绍: 国...