So it can decrease the pressure drop effectively to accelerate the form of dust cake under non-stationary filtration condition.
加速粉尘层形成可以有效降低含尘过滤阶段压力损失；
Under non-stationary filtration condition, firstly the study about the effect of particle concentration, filtration velocity and filtration time on pressure drop was taken.
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 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.
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。
Diverse lines of portable and stationary downdraft tables and control booths of varying sizes for fume, mist and dust collection provide highly efficient collection and filtration.
便携式和固定式吸式表和控制展台尺寸多样化，对烟、雾和灰尘进行高效率的收集和过滤。
Diverse lines of portable and stationary downdraft tables and control booths of varying sizes for fume, mist and dust collection provide highly efficient collection and filtration.
便携式和固定式吸式表和控制展台尺寸多样化，对烟、雾和灰尘进行高效率的收集和过滤。
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