1. <pre id="pujfh"><del id="pujfh"><xmp id="pujfh"></xmp></del></pre>

    <track id="pujfh"></track>

  2. <track id="pujfh"></track>
    ?
    簡體中文簡體中文

    (圖1)

    High purity fused magnesia and graphite are used, and the unique antioxidant resin is used as the binder, which is pressed by high pressure. It has good oxidation resistance, high strength, good corrosion resistance, good integrity, easy replacement and long service life. It is an ideal tapping material for large and medium converter.


    TAP HOLE

    ?
    ×
    全國服務熱線 : 0086-417-6578338
    A片无码不卡_韩国真人一级婬片试看三分钟_国产全黄A一级毛片视频_伊人不卡影院_日本不卡卡中文字幕在线观看

    1. <pre id="pujfh"><del id="pujfh"><xmp id="pujfh"></xmp></del></pre>

      <track id="pujfh"></track>

    2. <track id="pujfh"></track>