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引言现在,人们习惯于用一个指数来描述成品烧结矿的粒度。在欧洲,多用HS50或HS80毫米来作指数,而在远东,则为采
Introduction Nowadays, people are accustomed to using an index to describe the particle size of finished sinter. In Europe, use HS50 or HS80 millimeter as index, while in the Far East, it is mining