在高水头的通航建筑物中，升船机的造价通常低于船闸。
In the navigation buildings of high water head, the cost of ship lift is generally lower than ship lock.
高水头船闸输水阀门空化是一项普遍存在、急待解决的课题。
The cavitation on culvert valve of high lift lock is a knotty, wide - spread problem to be solved anxiously.
该水轮机的经验对今后大型高水头混流式水轮机的设计将是有益的。
Experience gained from these turbines are useful for the future large high-head Francis turbine design.
巴基斯坦杜伯华水电站工程是一项高水头、长隧洞、引水式水电站工程。
Duber Khwar Hydropower Project is a diversion type power station characterized by high water head and long tunnel.
双级水平中开泵为需要适度的高水头而设计，能提供一个很宽的流量范围。
Two Stage, Horizontally Split Case Pumps designed for applications requiring moderately high head over a wide range of flows.
高水头电站一般采用冲击式水轮发电机组，引水系统长，容易产生水压波动。
The impulse turbine unit is normally used in high water-head power stations, whose diversion system is long and is likely to cause pressure fluctuation.
在高水头引水式水电站中，通常几台机组共用同一调压井，且共用压力主管。
Usually, in the high head hydroelectric power station where long channel has been used as a water conveyance structure one surge tank and one penstock may serve more than one machine.
高水头、大泄量的泄水建筑物水力学问题是水利工程建设中特别受关注的问题之一。
Hydraulics in water releasing structures with high water head and large discharge capability has been paid close attention recently.
大流量高水头水电站泄洪消能型式的选择，是完善枢纽布置和各项功能的重要环节。
For large discharge and high head hydropower stations, the selection of energy dissipation mode is an important part for improvement of structure layout and various functions.
高水头、大流量泄洪洞内高速水流问题主要问题之一是水流空化引起过流表面空蚀。
One of the main problems of spillway tunnel with large discharge and high velocity flow is the cavitation damage.
这种新型结构将会给今后施工导流洞改建高水头大泄量竖井式泄水道带来广泛的应用前景。
Such a new kind of structure indicates a wide-ranging application of rebuilding a diversion tunnel.
在高水头电站、抽水蓄能电站设计中，需要查明岩体在实际水头作用下的透水率、渗透特性。
In design of pumped storage station or high water head hydro-power station, it is important to evaluate the rock infiltration properties under practical water pressure.
研究结果可供大坝蓄水计划参考，并为高水头下高沥青混凝土心墙坝的运行提供一定的参考。
These results can be referenced to the plan of water level procedures on the dam; and the behaviors of high rockfill dam with asphalt concrete core under high water head are studied.
相应的高水头大直径水工压力隧洞的建设也逐渐增多。并且越来越多的工程采用地下钢筋混凝土岔管。
Building of hydraulic tunnels with high head and large diameter increase gradually, and the underground reinforced concrete branch pipe is adopted in more and more projects.
小湾水电站泄洪洞在泄洪时具有高水头、高流速、泄量大的特点，对混凝土冲刷力强，容易产生空蚀破坏。
As the high head, high velocity and large flow of flood discharge, the concrete of spillway tunnel in Xiaowan Hydropower Station is easy to be damaged by cavitation.
一个有效的预排水系统在一个有限的区域内，有一个高水头，巨大的流入，重要的是要防止水浸事故发生的海底隧道。
An effective pre-drainage system in a limited area that has a high water head and huge inflow is important to prevent flooding accidents during subsea tunnelling.
欲提高贯流式水轮机的使用水头，应改进转轮叶片的设计方法，以设计出能量和气蚀性能良好的高水头贯流式水轮机。
To increase the head of bulb turbine, it is necessary to improve the runner blade design method and design high head bulb turbine with good energy and cavitation coefficient performance high.
高水头弧形闸门的充压伸缩式止水已在若干工程得到成功应用，但由于高寒地区低温环境的特殊性，使其应用受到限制。
It has been used successfully in many projects to choose the pressure-filled telescopic water stop type for high head redial gates.
通过计算分析，对该引水隧洞工程在高水头作用下的安全和稳定性作出了评价，并提出了适当的建议，为工程的设计和施工提供参考依据。
The appraisement about the security and stability and the suggestion of the water tunnel are brought up, which provide the foundation for devise and construction of this engineering.
针对阳江抽水蓄能电站上库溢流坝具有高水头、坝址河床狭窄、坡度陡峭等特点，通过水力模型试验研究优化了溢流坝及其消能工体型，解决了溢流坝的消能问题。
The upper reservoir overflow dam of Yangjiang pumped storage power station shows the characteristics of high waterhead, narrowing river bed in dam site and steep slope.
水布垭导流隧洞具有水头高，流量大，洞线长，地质环境差等特点，因而技术问题较多，难度较大。
The diversion tunnels of the Shuibuya Project feature high head, big discharge, long tunnel line and complicated geologic conditions.
溪洛渡水电站的泄洪消能具有河谷狭窄、泄洪流量大、泄洪水头高的特点。
The flood discharge and energy dissipation of Xiluodu Hydroelectric Plant are characterized with narrow valley, big flood discharge capacity and high head.
它具有水头高、流速大、运行时间长、水位变幅大等特点。
It possesses the characters of high head, high velocity, long operation time and large variation range of water level.
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。
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.
高坝洲水电站由于设计水头较高，设计单位建议采用预应力钢筋混凝土蜗壳。
Due to the high water head of the GHS, the design unit put forward a suggestion of using the pre stressed reinforced concrete spiral case.
高坝水头高、泄洪功率大，下游水垫塘的稳定性是其能否安全运用的关键性技术之一。
The stability of a water cushion pool by the action of high water head and large flood-discharge power is one of the key technologies which relate to its safe operation.
由于水头高，流速大，明流泄洪洞的掺气减蚀越来越受到重视。
Because of the high water head and high flow speed, the aeration for preventing cavitation erosion becomes more and more important.
该机型结构紧凑，运行可靠，平均效率高，适用于水头及负荷变化较大的电站。
The models are compact and reliable operation, high in average efficiency. It is applicable to the head of water, and the power station which have great load changes.
三峡工程水头高，流量大，下游河床冲刷成为人们的关注点。
The scouring the river bed before the Three Gorges Dam with high head and huge discharge has been given a special attention.
三峡工程水头高，流量大，下游河床冲刷成为人们的关注点。
The scouring the river bed before the Three Gorges Dam with high head and huge discharge has been given a special attention.
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