2023-04 tshiab qauv ntawm sab hauv tsev LED pem teb teeb.Kev Taw Qhia Hauv xyoo tas los no, teeb pom kev hauv tsev tau dhau los ua qhov kev hloov pauv zoo kawg li, ua tsaug rau kev nce qib sai ntawm LED thev naus laus zis.LED pem teb teeb tau dhau los ua qhov kev xaiv nrov rau cov tswv tsev, cov tsim sab hauv, thiab cov lag luam ib yam nkaus.Raws li peb ste...
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