亚洲va在线va天堂va国产2020,日本亚洲欧美在线视观看,国色天香社区视频免费高清3,再猛点深使劲爽免费视频


Symbol:Al
Purity:99.999%
Form:Slug; Discs; Square; Cylinder
Color / Appearance:Silvery white, metallic, light
Melting Point:660℃
Theo. Density:2.70g/cm3