Feem ntau nyuaj los qhia sib nrug, ceramic thiab plooj (cov ntaub ntawv sib thooj thiab cov ntaub ntawv zoo sib xws thiab cov txheej txheem me me, tab sis muaj qhov sib txawv me ntsis ntawm ob hom. Feem ntau, lub ntsiab sib txawv ntawm cov plooj (vuas luaj Plooj (vencelain nqus tau tsawg dua 0.5% ntawm cov dej ceramic thiab lwm yam khoom siv hluav taws xob tau ua rau cov av nplaum thiab lwm yam khoom siv los ua kom zoo dua thiab ua kom huv. Nws tau raug rho tawm haujlwm ntawm qhov kub siab dua thiab ntau dua siab dua, ua rau muaj qhov tsis tshua muaj tuab thiab cov khoom siv nyuaj.
Lub Sijhawm Post: Jul-06-2022