运用水力学的基本原理，建立了多泵并联低压管灌系统水力计算的方程组。
By means of fundamentals of hydraulics, multi-equations of hydraulic computation are set up for irrigation systems with parallel pumps and low-pressure water transferring pipes.
液体：压力、静水力学、欧拉和拉格朗日中值变量的连续性、连续性方程、欧拉方程的运动。
Fluids: pressure, hydrostatics, Euler and Lagrange variables of a continuum, continuity equation, Euler equation of motion.
液体：压力、静水力学、欧拉和拉格朗日中值变量的连续性、连续性方程、欧拉方程的运动。
Fluids: pressure, hydrostatics, Euler and Lagrange variables of a continuum, continuity equation, Euler equation of motion.
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