cross-sectional flow area
... cross-sectional area of the pipe 管子的横截面积 cross-sectional flow area 流动截面积 effective cross sectional area 有效断面积; 有效横断面积 ...
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Time dependent calculation for a suddenly imposed pressure gradient has shown that variation of the cross sectional area reduces inertial effect in the contraction flow region.
压力差为阶跃变化的情况下数值计算结果说明了收缩部的断面积的时间变化减少了收缩部的惯性效果。
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