GDJB-802 3 Theem Secondary Tam sim no Txhaj Tshuaj Tiv Thaiv Kev Tiv Thaiv Cov Khoom Siv Hluav Taws Xob ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm hluav taws xob hluav taws xob kom ntseeg tau thiab nyab xeeb.Nws tuaj yeem txiav txim siab dhau-tam sim no, dhau-voltage, overload, luv luv Circuit Court, kub siab, cov ntaub ntawv txawv txav thiab ceeb toom rau kev ua haujlwm tsis raug.