high- cov khoom siv hluav taws xob hluav taws xob
Nrog ib pab neeg ua haujlwm zoo thiab muaj kev paub zoo tshaj plaws, peb yog cov chaw tsim khoom ntawm cov khoom siv hluav taws xob siab -voltage hluav taws xob uas koom nrog kev tshawb fawb thiab kev tsim kho, tsim khoom, muag khoom, thiab tom qab- kev muag khoom.