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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The airfoil-shaped measuring flume water head loss isn't higher, and the water head losing has 14% of the total head of water.

机翼形量水槽的水头损失不大，水头损失约占上游总水头的14%左右。

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At normal delivery and above, when velocity distributions are fairly steady, the pressure and total head generated may be derived from the velocity distributions with reasonable accuracy.

在正常流量以上，当速度分布相当稳定时，压力和总扬程可由速度分布推得，并具有较高精度。

youdao

At normal delivery and above, when velocity distributions are fairly steady, the pressure and total head generated may be derived from the velocity distributions with reasonable accuracy.

在正常流量以上，当速度分布相当稳定时，压力和总扬程可由速度分布推得，并具有较高精度。

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