http://pastport.jp/user/tfhjj709 ja-JP An aluminumhttp://www.chinamic-6.com/aluminum-alloy/ alloy is a composition consisting mainly of aluminum to which other elements have been added. The alloy is made by mixing together the elements when aluminum is molten (liquid), which cools to form a ho 2022-05-26T16:15:51+0900 http://pastport.jp/user/tfhjj709/timeline/An%20aluminum%20alloy%20is%20a%20composition tfhjj709 http://pastport.jp/user/tfhjj709/timeline/An%20aluminum%20alloy%20is%20a%20composition