There is no cavitation damage and irrigation water and so on.
不存在汽蚀破坏及灌引水等问题。
There is no cavitation damage and issues such as irrigation water.
不存在汽蚀破坏及灌引水等问题。
Mechanics research on chief draining pump cavitation damage in coal mine;
在煤矿井下的排水系统中，需要多台排水泵协调地工作。
Thereby, measuring bubble size must be emphasized in study of reducing cavitation damage.
因此在掺气减蚀研究中，必须加强对气泡尺寸的检测。
The theory and experimental results of a new rotating-flow test device for cavitation damage are introduced.
介绍新型旋转水流式空蚀试验装置的原理及使用该装置的试验成果。
The cavitation damage is prevented effectively in many spillway dragon-raise-head tunnels by aeration facility.
通过设置掺气设施，大多数龙抬头泄洪洞都较好地防止了空蚀破坏。
One of the main problems of spillway tunnel with large discharge and high velocity flow is the cavitation damage.
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。
Because of the cavitation damage owing to the high-velocity flow, the energy dissipator has been faulted seriously.
由于高速水流产生的气蚀破坏，消能工遭到严重破坏。
Harsh conditions on the operation of the pump to prevent cavitation damage, cavitation-resistant materials can be used.
关于在刻薄条件下运行的泵，为防止汽蚀毁坏，可运用耐汽蚀资料。
Simultaneity lateral cavity and bottom cavity are linked each other, which prevent cavitation damage of sidewalls and soleplates.
侧空腔畅通并直接和底空腔相连，对侧墙和底板都起到了很好的保护。
The relations between the intensity of cavitation erosion, the resistance to cavitation damage and the mechanical properties oft…
最后分析不同速度下剥蚀强度的变化趋势、剥蚀阻抗与材料机械特性的关系。
Pressure fluctuations with high or low frequency can lead to acute cavitation damage in draft tubes or vibration of the vane of turbine.
由于各种原因产生的高频和低频的压力脉动会使尾水管内部产生严重的空蚀破坏或者诱发水轮机叶片产生振动等问题。
The calculations are also useful to estimate the maximum velocity of overflow surface that can be use to judge the possibilities of cavitation damage at the stepped overflow surface.
同时，该式亦可用于对台阶溢流坝坝面最大流速进行估计，以便判别坝面出现空蚀破坏的可能性。
Closer throttling, creating higher pressure drops may cause cavitation or excessive velocities which could cause high noise levels, vibration and possible damage to the valve or adjacent piping.
如果节流较小，将因此产生更高的压降将可能导致空穴现象或超快流速，从而导致噪音太高，振动剧烈，可能损坏阀门或相邻的管路。
Annual overhaul, the impeller blades have cavitation pitting damage, each must overhaul welding and grinding blades, but also labor-intensive maintenance personnel and poor working environment.
每年大修时，叶轮叶片有汽蚀破坏麻点，每次大修都要焊补和打磨叶片，而且维护人员劳动强度大、工作环境差。
Such phenomenon is being called as cavitation, resulting in cavitation erosion and damage of impeller in fast manner.
这种现象叫作气穴现象，会很快使叶轮气蚀，损坏。
Such phenomenon is being called as cavitation, resulting in cavitation erosion and damage of impeller in fast manner.
这种现象叫作气穴现象，会很快使叶轮气蚀，损坏。
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