saib
Rau lub teeb, dimming yog ib qho tseem ceeb heev.Dimming tuaj yeem tsis tsuas yog tsim kom muaj qhov chaw xis nyob, tab sis kuj ua rau kom muaj kev siv tau ntawm lub teeb. Ntxiv mus, rau cov teeb pom kev zoo ntawm LED, dimming yooj yim dua rau kev paub dua li lwm cov teeb fluorescent, lub teeb txuag hluav taws xob, high-pressure sodium l ...
Nyeem ntxiv