LED zaub kev lag luam kev txhim kho kom deb li deb, suav nrog COB zaub, tau tshwm sim ntau yam khoom ntim tshuab.Los ntawm cov txheej txheem dhau los ntawm lub teeb, mus rau lub rooj muab tshuaj txhuam (SMD) txheej txheem, mus rau qhov tshwm sim ntawm COB ntim tshuab, thiab thaum kawg mus rau qhov tshwm sim ntawm GOB pob ...
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