亚洲AⅤ无码色情在线观看,校花被扒开双腿强行高潮,中文字幕亚洲乱码熟女在线,插b内射18免费视频

CuGa

銅鎵靶.jpg


Introduction: widely used in thin-film batteries for Solar photovoltaic and solar thermal

Proportion: 75/25,wt% or customized

Purity: 99.9%-99.999%

Shape: planar, rotary

Appearance: light yellow

Density: depends on proportion

Specification: customized


Scan and pay attention to the public number