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- Mar
electrostatic txheej hluav taws nyob qhov rooj, hluav taws kub tsev so qhov rooj, tsev so hluav taws qhov rooj
Thiab cov khoom siv rau lub tsev so hluav taws qhov rooj yuav tsum muaj kev tiv thaiv kom kub thiab kub, tsis tsuas yog tsis tso cov pa phem, tab sis kuj tuaj yeem tiv thaiv kev nkag ntawm cov pa phem.
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