local head loss 局部水头损失
universal head loss coefficient 通用压头损失系数
frictional head loss 沿程水头损失 ; 沿程阻力损失
fluid head loss 液体压头损失
knee head loss 弯管水头损失
head loss of pipeline 管路水头损失 ; 管线水头损失
system head loss 系统水头损失
permissible head loss 允许水头损失
debris head loss ? has been introduced and the debris head loss coefficient and water head loss coefficient have been deduced and the methods to compute the two coefficients are given.
进而提出了“泥头损失”和“泥头损失系数”概念，给出了泥石流与主河水流交汇过程中“泥头损失系数”与水头损失系数的求解方法。
参考来源 - 泥石流与主河水流交汇机理及其河床响应特征·2,447,543篇论文数据，部分数据来源于NoteExpress
The medium has an excellent purification efficiency and a very low head loss.
该介质显示优异的净化效率和极低的压降。
The full round port area provides maximum flow capacity and minimum head loss.
完全的圆形流道截面能够提供最大的流量和最小的流压损失。
The head loss of flume is less, and the average loss is nearly 12% of the total head in upstream.
机翼形量水槽的水头损失较小，平均水头损失约占上游总水头的12%左右。
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