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根据顺流浮选机的工作原理和充气特性，从理论分析和实验测定两方面，详细地研究了顺流浮选机下导管中充气速度的大小，以及各种不同参数对充气速度的影响。
According to the working principle and aeration characteristics of downstream flotation machine, the size of aeration velocity in the downcomer of downstream flotation machine and the influence of various parameters on aeration velocity are studied in detail from the theoretical analysis and experimental measurement.