美利体育登录入口官网:OENORM EN ISO 18278-1:2021 电阻焊 可焊性 第1部分:金属材料电阻点焊、缝焊和凸焊可焊性评价的一般要求(ISO/DIS 18278-1:2021)
Resistance welding - Weldability - Part 1: General requirements for the evaluation of weldability for resistance spot, seam and projection welding of metallic materials (ISO/DIS 18278-1:2021)