-
Dab tsi raw cov ntaub ntawv los tsim cov hlau thiab cable?
Hauv peb txoj haujlwm niaj hnub, hlau thiab cable yuav tsum muaj ntau heev.Yog tsis muaj nws, peb lub neej yuav plam ntau xim.Yog li dab tsi raw khoom peb xav tau thaum peb tsim cov hlau thiab cable?Copper hlau: Raws li cov cab kuj ntawm conduction, tooj liab hlau yog ib qho tseem ceeb ntawm cov hlau thiab cable.tooj liab...Nyeem ntxiv
