水力阻力 meaning in English

hydraulic drag
hydraulic resistance

( 3 ) hydraulic resistance coefficient formulas are derived according to a great number of flume experiments and relative theory analysis
( 3 )通过系列水槽试验和相关理论分析，提出了十字片梅花加糙的有效水深和水力阻力系数计算公式。
By making use of the available data from engineering experiment , an empirical formula to estimate pressure drop of fluidized packing contactor has been set
本文利用废气治理工程中测试的数据，建立了流化填料净化塔的水力阻力经验式。
The results of hydraulic resistance and automatic measuring and controlling system presented by this paper have been applied to practical engineering hydraulic model research , forming a characteristics system
本文关于水力阻力和自动测控系统的成果均应用于实际工程水力模型研究，形成了有一定特色的体系。
Strain with other difference of method is it filter medium to be space very much little to lie inning a little , the centrifugal force turned round through the screen mesh , under lower water conservancy obstruction , have higher velocity of flow , cut and keep the solid here and suspend
微滤与其它方法的区别在于过滤介质空隙特别小，借助筛网回转的离心力，在较低的水力阻力下，具有较高流速性，截留住悬浮固体。