韩日av不卡,亚洲一区二区三区影院,无套内谢孕妇毛片免费看看,一本一道综合狠狠

ZrO2

氧化鋯1.jpg


氧化鋯2.jpg


氧化鋯3.jpg


氧化鋯4.png  


Introduction

Purity:99.95%

Shape:granule,ball
Appearance:Light yellow, brown yellow
Melting   Point:2700℃
Density:   5.89g/cm3


Scan and pay attention to the public number