Kev nyab xeeb yog qhov tseem ceeb tshaj plaws hauv kev ua haujlwm vuam, suav nrog qhov nruab nrab zaus inverter chaw vuam. Qhov xwm txheej ntawm qhov chaw vuam, uas muaj qhov kub thiab txias, hluav taws xob tam sim no, thiab muaj peev xwm txaus ntshai, yuav tsum tau ua raws li kev tiv thaiv kev nyab xeeb los tiv thaiv ob tus neeg ua haujlwm ...
Nyeem ntxiv