a级毛片高清免费播放-A级国产乱理伦片在线观看-潍坊玛利亚机械设备 ,久久综合中文字幕_无码性中文字幕福利视频免费_中文av旡码高清在线_中文字幕福利在线观看

 Composite jacket metal zinc oxide lightning arrester

0.22kV-110kV lightning arrester series    

Lightning arrester is a protection apparatus that can release lightning overvoltage, power system operating overvoltage energy, protect electrical equipment from transient overvoltage hazards, and can intercept the continuous current, not to cause the system grounding short circuit electrical devices. Used to protect power system transmission and transformation equipment (such as transformers, capacitors, generators, motors, etc.).