天海翼无码视频_AV在线影视_婷婷丁香五月周_黄色无码av

天海翼无码视频_AV在线影视_婷婷丁香五月周_黄色无码av

天海翼无码视频_AV在线影视_婷婷丁香五月周_黄色无码av_伦一理一级一a一片_青青草国内亚洲_91色东京热

  • <sub id="hr2fw"></sub>

  • 
    

  • <sup id="hr2fw"><cite id="hr2fw"><ul id="hr2fw"></ul></cite></sup>

    <sub id="hr2fw"></sub>
    • Operate all kinds of rare earth wire materials,

      Processing nonferrous alloys and rare earth alloy wires and bars

      Implementation standards: customized according to customer requirements Quality system: ISO9001

      Applicable process: evaporation coating, ion sputtering

      Specifications: according to customer requirements

    • Operate all kinds of rare earth wire materials,

      Processing nonferrous alloys and rare earth alloy wires and bars

      Implementation standards: customized according to customer requirements Quality system: ISO9001

      Applicable process: evaporation coating, ion sputtering

      Specifications: according to customer requirements

    • Operate all kinds of rare earth wire materials,

      Processing nonferrous alloys and rare earth alloy wires and bars

      Implementation standards: customized according to customer requirements Quality system: ISO9001

      Applicable process: evaporation coating, ion sputtering

      Applicable process: evaporation coating, ion sputtering

    Tellurium powder

    Tellurium powder

    • Category:Tellurium Powder
    • Weight:0

    Details:

    CAS No.: 13494-80-9

    Purity: 99.99%

    Particle size: 100-325 mesh 

    Molecular weight:127.60

    Appearancegray powder

    Melting point:452℃

    Boiling point:1390℃

    Relative density:6.25

    Packaging: 1kg per vacuum packing

    Characters: It is insoluble in water and carbon disulfide, but soluble in sulfuric acid, nitric acid, aqua regia, potassium cyanide and potassium hydroxide



    天海翼无码视频_AV在线影视_婷婷丁香五月周_黄色无码av

    • <sub id="hr2fw"></sub>

    • 
      

    • <sup id="hr2fw"><cite id="hr2fw"><ul id="hr2fw"></ul></cite></sup>

      <sub id="hr2fw"></sub>
      不卡可以看的AV| 看免费黄色一级大毛片| 超碰人人操人人| 色AV一区| 黄色无码中文| 日本大香蕉安安安| 亚洲成人有码一区二区| 人妻无码电影| 日本久久亚洲电影| 成人av视屏| 韩日美A片| 国产欧美777| 日韩成人黄色视频| 在线大香蕉精品| 97色色视频| 国产免费电影av| 欧美一级婬片免费| 日韩A片在线| 亚洲无码电影av| 云霸高清无码| 日韩AV三级片| 亚洲av片在线观看| 一牛影视色播AV| 亚洲自拍黄色图片| A视频无码| AC网站国产| 69成人网站| 黄色毛片豆角朝逼视频| 高清无码免费| 久久91东京热| 日本在线视频A片| 日韩欧美黄色A片| 日韩高清一级色情| 爱爱爱网址| 日韩av免费播放| 日本一区二区高清视频| 韩国AV在线播放| 性爰A片在线看| 特级A毛毛片| 无无中文字母A级| 日韩两国黄色A片网站|