Model test indicates the conclusion is reliable and can be applied to large size inverted siphon with a low water head and great flow rate.
结论对南水北调中线工程和平原地区的低水头大流量倒虹工程弯管设计具有重要的应用价值。
The hydraulic turbine unit frequently operates under the low water head, exists the questions of unstable operation and cavitation in Mania hydropower station.
满拉水电站水比机组经常处在低负荷下运行，存在着局部空蚀破坏和运行不稳定两大问题。
In water conservancy and hydropower projects ot plain, the large quantities of small power station of low water head and large discharge have been built in our country.
在平原地区水利水电工程中，我国建造了一大批低水头、大流量的小型水电站。
The axial flow turbine is highly efficient and is widely used under relatively low water head. The article studies some typical structures of axial flow turbine, helpful for design of such turbine.
轴流机组是一种效率高，较低水头下应用广泛的机组，文章介绍了轴流水轮机的一些典型结构分析，对轴流式水轮机设计具有参考意义。
It swung its head low over the water as if to take the scent of what it could not see.
它在水面上摇摆着它低矮的头如同它看不见只能使用嗅觉。
The sluice is a kind of low-head water off building which can not only barraging water but also dredging water.
水闸是一种低水头过水建筑物，具有挡水和过水的双重作用，在农田水利工程中运用很广泛。
Water is very dirty, the sewer has a terrible smell, but I don't know, he is altogether clear low head carefully.
水很脏，下水道有一股难闻的气味，但他全然不知似的，低着头认真清理。
Its shortcomings include harsh restriction for suspended solid in influent, low phosphorus removal efficiency, high water-head loss and the height of lifting sewage.
但同时也存在对进水悬浮物要求较高，磷去除率低，水头损失大，污水提升高度大等问题。
During the test and production of in-situ leaching of sandstone deposit, it is very difficult and complicated to exploit boreholes when confined water head of ore-bearing acquifer is quite low.
在砂岩矿床的地浸试验和生产中，含矿含水层地下水承压水头很低时，地浸钻孔的开拓难度很大且工艺复杂。
Along with the rapid exploitation of water power resource in west of the country, more and more mid or low-head flood gate dam hinges are appearing.
随着我国西部水电资源的快速开发利用，出现了趆来趆多中低水头的闸坝型水利枢纽。
Vibration of low-head radial gate is a very complex that has become a hidden problem affecting the safety operation of water project.
低水头弧形闸门振动是一个非常复杂的问题，是影响工程安全运行的一大隐患。
Low applicable head, high flow and high efficiency characterize bulb type tubular turbine unit. These kinds of units are widely used for the development of low-head water resources.
灯泡贯流式机组具有适用水头低、流量大以及效率高等特点，广泛用于开发低水头水力资源。
The technology of natural low-head irrigation has the advantage of water-saving and energy-saving, but its uniformity is poor for the low pressure.
自流灌区的自然低水头微灌技术，既节水又节能，但因自然水头低导致微灌系统灌溉均匀性差。
A method of arranging orifices with varied opening area according to the pressure variation in the pipe is suggested in order to ensure the uniformity of water-distribution in the low head filter.
并提出按管内压头来改变开孔面积的布孔方法，以便保证用于低水头滤池时布水的均匀性。
Axial flow pump with flow rate, head low, which is widely used for agricultural irrigation and urban water supply.
轴流泵具有流量大、扬程低的特点，广泛地用于农业排灌、城市供水等领域。
You can fit a low-flow shower head to reduce your water use still further.
安装低流量的喷头可以进一步降低用水量。
Because of these low-lying areas water lift is not high but the irrigation or drainage water a considerable loser should adopt a "low-head large flow" performance characteristics of axial flow pump.
这些地区由于地势低洼，提水扬程不高，但农田灌溉或排涝的输水量相称大，应该采用“低扬程、大流量”性能特点的轴流泵。
A method of arranging orifices with varied opening area according to the pressure variation in the pipe is suggested in order to ensure the uniformity of water-distribution in the low head fi...
并提出按管内压头来改变开孔面积的布孔方法，以便保证用于低水头滤池时布水的均匀性。
A method of arranging orifices with varied opening area according to the pressure variation in the pipe is suggested in order to ensure the uniformity of water-distribution in the low head fi...
并提出按管内压头来改变开孔面积的布孔方法，以便保证用于低水头滤池时布水的均匀性。
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