亚洲欧美综合色区小说,亚洲乱人伦在线,亚洲国产精品一区二区不卡,国内精自线i品一区202-亚洲a级黄色,欧美高清不卡,午夜视频网址,91久久精

 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.).