Nkag siab txog qhov tseem ceeb ntawm Kev Xaiv Cov Neeg Siv Khoom Zoo Thaum nws los txog rau kev muab cov duab LED, xaiv tus neeg muag khoom txhim khu kev qha los ntawm Tuam Tshoj tuaj yeem muaj qhov tseem ceeb…
Nkag siab txog qhov tseem ceeb ntawm Kev Xaiv Cov Neeg Siv Khoom Zoo Thaum nws los txog rau kev muab cov duab LED, xaiv tus neeg muag khoom txhim khu kev qha los ntawm Tuam Tshoj tuaj yeem muaj qhov tseem ceeb…
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