我和表妺洗澡好紧作爱视频,我和亲妺在客厅作爱视频网站,护士表妺好紧竟然流水视频

<big id="mqlxz"></big>
  • <tr id="mqlxz"></tr>
  • <tr id="mqlxz"></tr>
    <code id="mqlxz"><em id="mqlxz"><optgroup id="mqlxz"></optgroup></em></code>

    <center id="mqlxz"><small id="mqlxz"><optgroup id="mqlxz"></optgroup></small></center>
      <code id="mqlxz"><nobr id="mqlxz"></nobr></code>
      Hotline:159 9166 8098 Hotline:158 2935 8666Hotline:158 2909 1111

      Product list

      If you have any questions, please call

      029-83808388 83808383 

      銷售熱線:158 2909 1111

      U-shaped silicon carbide rod

      U-shaped silicon carbide rod
      Dimensioning method for laymen: d/e/m/E
      d Outer diameter of heating part mm D End outer diameter mm e Heating part length mm m End length mm L Full length of rod mm E Center distance mm
      Product Image
      U-shaped silicon carbide rods·Industry and attention

      U-shaped silicon carbide rods are composed of two equal-diameter silicon carbide rods sharing a cold end. U-shaped silicon carbide rods can be connected to the power cord at one end of the furnace. The surface temperature of the heating part is 1500. It is mainly used for high furnace temperature and furnace temperature. Furnaces with high uniformity requirements are characterized by power saving and long service life.

      我和表妺洗澡好紧作爱视频,我和亲妺在客厅作爱视频网站,护士表妺好紧竟然流水视频