Dab tsi yog qhov txawv ntawm sab hauv LED zaub thiab sab nraum zoov LED zaub?
Hauv kev lag luam toj roob hauv pes niaj hnub no, LED cov ntxaij vab tshaus tau dhau los ua qhov kev xaiv kub rau kev txhawb nqa kev lag luam thiab tsim cov khoom lag luam, ua tsaug rau lawv cov txiaj ntsig zoo tshaj plaws thiab kev siv ntau yam. Kab lus no delves rau hauv cov yam ntxwv tseem ceeb ntawm LED cov ntxaij vab tshaus, wit ...
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