The carbon block consists of two electrodes spaced so that any voltage above the design level is arced from line to ground.
碳块中有两个彼此间隔的电极，任意高于设计标准的电压都可以跨过电线入地。
2
Winning the line also went Tashan mine mechanized mining companies face two teams on the ground to understand the company's safety, equipment operation, on-site management, staffing and so on.