Hauv thaj teb ntawm cov ntaub ntawv muaj kev lag luam, tio2) sawv ua ib qho kev sib xyaw thiab qhov tseem ceeb, tshwj xeeb tshaj yog nyob rau hauv nws daim rutile form. Raws li kev lag luam txuas ntxiv txhim kho, thov kom muaj cov khoom lag luam zoo tshaj plaws dioxide tau surged, ua rau kev nrhav kev lag luam hauv ntau lawm ...
Nyeem ntxiv