清洁滤料过滤阶段，就过滤速度对过滤效率的影响进行实验研究，验证了临界过滤速度的存在性。

Under stationary filtration condition, firstly the author took the study about the effect of filtration velocity on filtration efficiency. The research shows that there exists a critical velocity.

youdao

清洁滤料过滤阶段，就过滤速度对过滤效率的影响进行实验研究，验证了临界过滤速度的存在性。

Under stationary filtration condition, firstly the author took the study about the effect of filtration velocity on filtration efficiency. The research shows that there exists a critical velocity.

youdao