Kev tsim cov txheej txheem kev kawm rau cov khoom tiav
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Kev tsim cov txheej txheem kev kawm rau cov khoom tiav
Tej zaum yuav muaj lwm yam kev cov nyom thaum tig cov khoom xyaw nquag mus rau hauv cov khoom rau kev noj. Piv txwv li, cov txheej txheem tsis raug tuaj yeem txo cov ntsiab lus ntawm cov khoom xyaw nquag, lossis tuaj yeem muaj qhov tsis txaus ntawm solubility lossis saj. Peb pab neeg tseem tuaj yeem muab kev pabcuam tshawb fawb los daws cov teeb meem saum toj no rau peb cov neeg siv khoom.
