国产一级 片内射视频播放,国产又黄又爽又猛视频日本,无码日韩高清,国产三级片中文

<cite id="aqcdz"></cite>
<b id="aqcdz"></b>
  • <b id="aqcdz"><small id="aqcdz"></small></b>
    <u id="aqcdz"></u>

  • <b id="aqcdz"></b>
  • <b id="aqcdz"></b>
    • 首頁
    •  
    • 產(chǎn)品
    •  
    • 供應硫化鋅元件
     
    供應硫化鋅元件

    • 硫化鋅材料

      Zinc Sulphur( ZnS) mateiral have two grades and can be use in imaging systems. Regular grade material is grown by the chemical vapor deposition process. This material is often used in the 3um to 5 um ..

    • 硫化鋅窗片

      Zinc Sulphur(ZnS) windows are made from Zinc Sulphur material,which has transparent range from 3~5microns and 8-12microns. MT-Optics,Inc. can kindly process this ZnS as windows, mirrors, lenses etc. ..

    < Previous1Next >