以某高铁三水铝石型铝土矿为原料，研究了铝土矿粒度对烧结矿产质量指标的影响。
The effect of grain size of the bauxite on the sintering performance was studied by using a high iron trihydrate bauxite as raw material.
因此我国从上世纪末开始进口三水铝石型铝土矿生产氧化铝，近几年来，利用进口三水铝石型铝土矿生产氧化铝的规模日益扩大。
Aluminum product using raw bauxite of bayerite was imported from overseas in our country from last century, and the scale of production was continually expanded in recent years.
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