This method does not need to untie the pole downlead then to carry on the earth resistance survey, has solved the biggest malpractice which in the existing measuring technique exists .

  • 该方法不需要解开杆塔接地引下线即可进行接地电阻测量,解决了现有测量方法中所存在的最大弊端。
目录 查词历史