Unveiling qhov txawv ntawm COB thiab SMD yees nyob rau hauv LED zaub
COB (Chip-on-Board) thiab SMD (Surface Mount Device) thev naus laus zis yog cov neeg ua si saum toj kawg nkaus hauv LED zaub arena, nthuav tawm qhov sib txawv tseem ceeb hauv cov txheej txheem, cov khoom ua tau zoo, kev ntseeg siab, kev siv hluav taws xob, thiab cov nqi. Tsab ntawv no delves mus rau hauv ib qho kev qhia meej c...
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