A three component Al_2O_3-MgO-SiO_2 carrier prepared bears both high activity and selectivity, and with better abrasion resistance and stability makes it possible to be valuable for industrial applications.是什么意思_A three component Al_2O_3-MgO-SiO_2 carrier prepared bears both high activity and selectivity, and with better abrasion resistance and stability makes it possible to be valuable for industrial applications.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句