这既要求导电耐火材料要有良好的导电性，不然电阻过大，致使电耗添加、炉底温度增加与寿数下降。
This requires a conductive refractory material has good conductivity, or resistance is too large, resulting in power consumption, increase the life and add bottom temperature drop.
有时这些碳棒包上一层铜，以增加其导电性。
Sometimes the carbon rods are copper coated to improve electrical conductivity.
结合复合材料自身的弱导电性特点，通过在其表面增加导电功能层的方式解决复合材料的防雷击问题。
In this paper, conductive layer was made on the surface of composite ply, such as flame spraying aluminum coating, expanded aluminum foil, aluminum foil.
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