1) apply head
应用水头
2) efficient water head
作用水头
1.
On the basis of energy distribution in uniform discharge along porous pipe,this paper analyzes the definition of efficient water head,and discusses the change of hydraulic head in large resistance underdrain system.
从沿途泄流管道的能量分配出发 ,对其作用水头的确定进行了分析 ,并对大阻力配水系统的水头变化进行了探讨 。
3) ater conserva consumption peak
资用水头
4) available head,usable head
可用水头
5) utilized head
利用水头
6) utilizable hydraulic head
可利用水头
1.
In case of a variety of schemes for excavated trough,the relation between increment of utilizable hydraulic head and engineering quantity of downstream river course at the power station is studied.
通过能量方程对吴家街电站下游河道疏浚治理新方案的计算分析,研究了下游河段不同开挖方案电站下游河道可利用水头的增加值与工程量之间的关系,分析了下游河段最佳利用水头及相应的工程量,并对下游河道的演变与挖槽的稳定性等问题进行了分析论证。
补充资料:梳水头
见假发。
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