在线有码无码中文_中文字幕免费无码视频_国产在线精品免费电影_亚洲av高清在线观看一区二区 ,欧美性猛交XXX嘿人猛交_性欧美丰满熟妇XXXX性_ ,亚洲福利视频国产福利,亚洲黄色另类小说,完整版免费手机在线播放,欧美日韩春色另类小说

 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.).