Furthermore, through market investigation, the paper analyzes and compares several Testing Devices for Tower GroundingResistance.
同时，文章通过市场调研，分析比较了市场上出现的几类杆塔接地电阻测试装置。
2
The equipment is applicable for the distribution network of small capacitance current, groundingthrough high resistance and the capacitance current of which varies greatly.