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。
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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