本文提出不同筛网条件下应选取不同的计算筛分分级效率的公式。
This paper suggests that appropriate formulas should be chosen for the calculation of screening classification efficiency according to concrete screening conditions.
本文提出不同筛网条件下应选取不同的计算筛分分级效率的公式。
This paper suggests that appropriate formulas should be chosen for the calculation of screening classification efficiency according to concrete screening conditions.
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