The high filtrationefficiency means the good filtration results, however high pressure drop will cause the waste of energy.
高过滤效率意味着良好的过滤效果，而高运行阻力会带来巨大的能源浪费。
2
Barm cell concentration before beer filtration had direct effects on beer filtration speed, filtrationefficiency and filtration costs.
啤酒过滤前酵母细胞浓度的高低直接影响到啤酒过滤速度、过滤效率及成本。
3
By theoretical analysis, it defines a new concept-system critical filtrationefficiency and puts forward a calculation and selection method of air filters.