采用正交设计方法，进行了膨润土种类及配比的铁矿成球实验。
The experiment of iron ores pelletizing by adding these two types of bentonites with different mixture ratios is carried out according to the orthogonal design method.
采用正交设计方法，进行了膨润土种类及配比的铁矿成球实验。
The experiment of iron ores pelletizing by adding these two types of bentonites with different mixture ratios is carried out according to the orthogonal design method.
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