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。
His head was back above the water, but he was still trapped in the waders, and he was losing his breath.
他的头曾一度挺出水面，可身体还被牢牢地困在防水衣里面，看样子即将停止呼吸了。
Meanwhile, we choose different costal board width ratios, in order to get the trend of head water losing coefficient.
结合山西省西龙池抽水蓄能电站，对引水岔管进行了物理模型试验，研究了肋宽比对岔管局部损失系数的影响。
Meanwhile, we choose different costal board width ratios, in order to get the trend of head water losing coefficient.
结合山西省西龙池抽水蓄能电站，对引水岔管进行了物理模型试验，研究了肋宽比对岔管局部损失系数的影响。
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