Duab Source: pexels Thaum nws los txog rau qhov chaw ua haujlwm kom pom kev zoo, LED ua haujlwm teeb sawv tawm rau lawv cov kev ua tau zoo thiab ci ntsa iab.Txawm li cas los xij, cov teeb no qee zaum tuaj yeem tsim teeb meem uas cuam tshuam lawv qhov kev ua tau zoo.Cov teeb meem zoo li flickering, dimming, lossis txawm tias tag nrho kaw tsis yog unco ...
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