gaoweiqing 发表于 2018-9-20 13:52:35

ISO 10042-2018


Welding - Arc-welded joints in aluminium and its alloys - Quality levels for imperfections焊接 铝及铝合金的弧焊接头 缺欠质量分级

admin 发表于 2018-9-25 16:10:31

谢谢您的分享，金币已奖励!

myyeh 发表于 2018-10-16 19:08:50

谢谢您的分享--------------
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