Titanium Dioxide, feem ntau yog hu ua Tio2, yog ib qho ntau yam thiab ntau yam sib xyaw nrog ntau cov ntawv thov thoob plaws ntau yam kev lag luam. Nws cov khoom tshwj xeeb ua rau nws cov khoom tseem ceeb hauv ntau cov khoom, los ntawm cov tshuaj pleev thaiv hnub pleev xim thiab txawm tias khoom noj. Hauv blog no, peb yuav tshawb txog ntau yam ...
Nyeem ntxiv