نتایح جستجو

ba salam be hame mohandesiine madan...az jahaty ke gerayesham estekhrtaje,,1 soale faravary daram,,, 1madane fluorine hast,ke az jahaty ke havazegii sang balast taghriban khord shodeast,,,va grade ideal baraye flourin 97% hastesh,,,vali grade fluorine in madan 50% hast,,,soalam injast ke aval...