By using the blast furnace( BF) slag containing titania to replace clay as aggregate, the PVAC as cement, and add an additive, a new wall brick was prepared, in which BF slag content isover70%.是什么意思_By using the blast furnace( BF) slag containing titania to replace clay as aggregate, the PVAC as cement, and add an additive, a new wall brick was prepared, in which BF slag content isover70%.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句