Alloys, Metal mixtures made by mixing different metals together and melting them, Copper, A reddish-brown, soft metal element, Zinc, A silvery-grey, soft metal element, Tin, A white metal element; soft, ductile, and malleable, Bronze, An alloy made by mixing copper and tin, Brass, An alloy of copper and zinc, Steel, An alloy of iron and carbon.

Elements

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

)
恢复自动保存：？