2019-11-08 10:28:52
sawchina
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BS EN 1011-4-2000 焊接 焊接金屬材料的推薦 第4部分：鋁和鋁合金的弧焊Welding - Recommendations for welding of metallic materials - Arc welding of aluminium and aluminium alloys 下載地址：
鏈接：https://pan.baidu.com/s/1IMqvNDzK0LkzGbp92MtAhA |
