Why is aluminum widely used in aircraft structures?, It is very heavy, It has a good strength-to-weight ratio, It has poor corrosion resistance, It is difficult to form, How does aluminum naturally protect itself from corrosion?, By forming a protective oxide layer, By becoming magnetic, By absorbing water, By forming a layer of iron, Which properties make aluminum easy to shape and manufacture?, Hardness and brittleness, Magnetism and strength, Malleability and ductility, Density and weight

material 4

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？