日韩一级欧美动漫国产_白天躁晚上躁麻豆视频_欧美又又粗又爽又猛无遮挡_亚洲国产av一区二区污污污

Photovoltaic U-glass project of Shanghai Silicate Research Institute, Chinese Academy of Sciences

U-type glass photovoltaic power generation on the roof of Shanghai Silicate Research Institute, Chinese Academy of Sciences, with 10 square meters of copper, indium, gallium and selenium of 1.5KW.