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Dab tsi yog Qhov Yuav Tsum Tau Rau Cov Khoom Noj Ntim Hnab

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Yuav Ua Li Cas Ua Kom Muaj Kev Nyab Xeeb Ntawm Cov Khoom Noj Ntim Hnab

Tus yuam sij kom muaj kev nyab xeeb ntawm lub hnab ntim khoom noj yog nyob rau hauv kev xaiv cov khoom tsim nyog, cov txheej txheem tsim khoom nruj, thiab cov qauv ua raws. cov