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根据氧化铝的鉴定,从70年代起除化学杂质外始终将物理特性的要求放在首位。精确的粒度组成就是最重要的要求之一。根据现代电解槽的操作和越来越严格的环保和操作安全规
According to the identification of alumina, physical characteristics have always been the top priority since the 1970s except for chemical impurities. Accurate granularity is one of the most important requirements. According to modern electrolyser operation and more stringent environmental and operational safety regulations