亚洲精品中文字幕无码蜜桃,妺妺窝人体色WWW看美女,精品国产偷窥一区二区 ,寡妇把腿开大让我添添

Zr

鋯1.jpg  


鋯2.jpg  


Introduction
Purity:   99.2%-99.95%
Shape:Block,   Columnar
Appearance:silver   white,metallic luster
Melting   Point:1852±2℃
Density:   6.49g/cm3


Scan and pay attention to the public number