常見(jiàn)例句Increasing the purity of the raw materials used for matrix in common fired magnesia brick helps the lining life of refiringfurnace for chrome ferrou alloy making prolonged. 在普通燒鎂磚中，提高基質(zhì)相原料純度，可使精煉鉻鐵爐爐襯壽命明顯提高。 返回 Ferrou