The mechanism of the activator was simply discussed.The properties of the free firing brick and light wall material based on red mud-AASC were also studied in this paper.是什么意思_The mechanism of the activator was simply discussed.The properties of the free firing brick and light wall material based on red mud-AASC were also studied in this paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句