Kev siv cov teeb ci LED muaj ntau yam txiaj ntsig, los ntawm kev ua kom ntev mus rau kev siv hluav taws xob, LED teeb tau txaus siab rau txhua qhov kev xav tau.Yav dhau los, peb feem ntau tau siv lub teeb fluorescent, tab sis tom qab paub tias nws tuaj yeem tsim teeb meem tiag tiag, peb feem ntau tau hloov mus rau LEDs, tab sis tseem, muaj qee qhov ...
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