crystal aerugo

网络  乙酸铜

机械



双语例句

  1. Fabrication of Poly-Si Thin Films with Columnar Grains Structure Grown on Cu-coated Glass Substrates crystal aerugo
    镀铜玻璃衬底上柱状多晶硅薄膜的制备【有化】结晶铜绿,乙酸铜