Alumina ceramic yog ib hom kev ua haujlwm siab, siab hnav tsis kam, raws li cov ntsiab lus sib txawv Al2O3, nws tuaj yeem muab faib ua 99% alumina ceramic, 95% alumina ceramic, 96% alumina ceramic, 92% alumina ceramic thiab lwm yam.Cov yam ntxwv tseem ceeb yog kub tsis kam, corros...
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