The turbine for the Three Gorges Project is one of the mixed-flow turbines with great changes of operation water head.
三峡电站水轮机是运行水头变幅最大的混流式水轮机之一，其外形尺寸和重量亦是当前混流式水轮机之最。
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。
When system suffers the action such as load fluctuation and head fluctuation, this arrangement has influence on the safety operation of system of water diversion and power generation.
当系统受到外界微小作用，例如负荷扰动、水头波动等，都对水电站安全稳定运行带来了一定的影响。
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。
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.
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 bottom release outlets of the Three Gorges dam are characterized by a considerable number of outlets, large size, frequent operation, high water head and great variation in water head, etc.
三峡工程大坝泄洪深孔孔口数量多、尺寸大，且具有操作频繁、水头高、变幅大等特点。在技术设计阶段，对深孔长、短管方案进行过深入的比选研究。
It possesses the characters of high head, high velocity, long operation time and large variation range of water level.
它具有水头高、流速大、运行时间长、水位变幅大等特点。
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.
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。
Automatic time-and flow is divided into type. Fully automatic water softener control head by a computer controlled, automatic operation, without hand operation.
全自动的又分为时间型和流量型。全自动软水机的完全由电脑控制头控制，全自动运转，无需专人操作。
The water inlet of spiral axle and axle head adopt pig iron cover for wear proofing and long life operation. The lifting equipment has two types, manual control and electric control.
螺旋轴的入水头、轴头、采用生铁套，耐磨耐用，提升装置分电动和手动两种。
The water inlet of spiral axle and axle head adopt pig iron cover for wear proofing and long life operation. The lifting equipment has two types, manual control and electric control.
螺旋轴的入水头、轴头、采用生铁套，耐磨耐用，提升装置分电动和手动两种。
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