The improved insulatingbar was inspected by the State Quality Control and Inspecting Centre of Insulators and Lightning Arresters and met the operation requirements.
改进后的绝缘棒经国家绝缘子避雷器质量监督检验测试中心实测，满足了使用要求。
2
One superconducting device current lead of the invention is made of copper bar material with insulating layer covered on its surface, and the copper bar material is formed solenoid.