加速粉尘层形成可以有效降低含尘过滤阶段压力损失；
So it can decrease the pressure drop effectively to accelerate the form of dust cake under non-stationary filtration condition.
含尘滤料过滤阶段，测试了入口粉尘浓度、过滤速度等对过滤压力损失的影响。
Under non-stationary filtration condition, firstly the study about the effect of particle concentration, filtration velocity and filtration time on pressure drop was taken.
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