Loss of water head 水头损失
water head tank 高位水槽
pore water head 孔隙水压头
underground water head 地下水水头
suction water head 吸力水柱
minimum water head 最低水压
under water head condition 水压作用条件下
There is a strict request on the water head allocation of aqueduct in main channel of Middle Route of North-South Water Transfer Project.
南水北调中线总干渠上渡槽等建筑物上的分配水头有严格要求。
参考来源 - 南水北调中线工程槐河（二）渡槽水力特性试验研究—《南水北调与水利科技》—2008年第1期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
Protection design for lower reaches of the Yellow River was once a difficult question due to high water head, various combinations of discharging structures, and complex flow pattern.
小浪底工程由于水头高、泄水建筑物组合多，水流流态十分复杂，下游防护设计是一难题。
The type of flow would affect the calculation of water head losses.
管内流态的变化会影响水头损失的计算。
It is also part of the watertight envelope, and subject to the local water head.
它也是水密外壳的组成部分，并承受局部水压力。
When his head came out of the water for air, he saw that he was farther away from the soldiers.
VOA: special.2011.05.28
A man who loses his job tries to keep his head above water until he finds a new job.
VOA: special.2009.05.10
To keep your head above water is a colorful expression that means staying out of debt.
VOA: special.2009.05.10
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