After iron removal and bleaching, the iron content in cornish stone had been dropped from 0.64% to 0.20% and the cornish stone whiteness had been increased from 68.2% to 83.7%. The highest whiteness could be 84%. ?
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经除铁漂白处理;使瓷石中铁的质量分数由原来的0.;64%25降为0
单词 After iron removal and bleaching, the iron content in cornish stone had been dropped from 0.64% to 0.20% and the cornish stone whiteness had been increased from 68.2% to 83.7%. The highest whiteness could be 84%. ? 的词典定义。@海词词典-最好的学习型词典
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