男女边摸边吃奶边做视频免费

  • <acronym id="r0qtp"><strong id="r0qtp"></strong></acronym>
    <blockquote id="r0qtp"></blockquote>

    1. <acronym id="r0qtp"><strong id="r0qtp"><address id="r0qtp"></address></strong></acronym>
    2. <big id="r0qtp"></big>

      凱發娛樂

      MOPHONE 3D

      Navigation switch

      Scanning electron microscope  FEI Quanta 250 SEM
       
      Manufacturer: FEI
      Model: Quanta 250 SEM
       
      Key performance indicators
      Acceleration voltage: 0.1kV-30kV;
      Resolution: 1.0nm (15kV), 1.4nm (1kV);
      Magnification: x25-x800,000;
       
      Application range
      The microscopic morphology analysis and component analysis of composite materials, ceramic materials, metal materials, polymer materials, biological materials, electronic materials, film materials. It is an indispensable tool for studying the relationship between super-microstructure and properties of various materials.

      Telephone

      Online QQ

      Product

      address

      男女边摸边吃奶边做视频免费