长距离无压引水隧洞水气两相流的研究对于引水工程过流能力及运行安全具有重要的理论意义及指导作用。
The study of water-air two-phase flow in long-distance free flow tunnel is of great significance to the conveyance capacity and operation safety of water diversion project.
双流道污水泵以其良好的性能和较强的过流能力，在城市生活污水、工业废水的输送与处理等方面得到了较为广泛的应用。
The double-channel sewage pump has excellent performance and good passing -ability which obtain more widespread application in transportation and processing of city sewage and industrial waste.
计算结果均表明，本文的一维水动力学模型能较好地模拟漫滩河道的过流特征，并改善了漫滩河道洪水演进的模拟与预测能力。
Calculation results show that this model can simulate the characteristics of water flow in a floodplain river and can improve the capacity of flood routing simulating and predicting.
自吸排污泵过流部件材质：铸铁、不锈钢。
Self-priming sewage pump over-current components Material: cast iron, stainless steel.
一个简单的电路断路器提供精密过压和过流保护。
A simple circuit breaker delivers precision overvoltage protection and overcurrent protection.
研究了过流条件与泵轮叶片表面冲蚀磨损的关系。
The relation between the flow conditions and material surface abrasive erosion of the pump impeller has been studied.
过流保护电路将检测电流转化为栅压控制开关管；
Over-current protection circuits convert the detecting current into the gate voltage which controls the switch FET.
并具有动态自供电、过流保护、过温保护等功能。
The whole circuit includes Dynamic Self-Supply (DSS) circuit, over current protection circuit and temperature shutdown circuit.
汇流排联络断路器保护：长延时过流、瞬时过流保护。
Protection of bus-tie circuit breakers: long time delay overcurrent and instantaneous overcurrent.
该设计既满足了过流能力，又达到了截污整治的目的。
The design can satisfy the overflow capacity and achieve the renovation effect through sewage interception.
水泵吸水室就是泵的进口法兰至叶轮进口的过流部分。
Pump sump is the connection between the flange of the inlet of the pump and the inlet of the impeller.
汽蚀和磨损是水轮机和其他过流部件普遍存在的主要问题。
Cavitation erosion and wear are the major problems of hydraulic turbines and other hydro-equipments.
设计的过流、过压保护电路，有效地提高了电源的可靠性。
The reliability of power supply is improved by using over-current and over-voltage protecting circuit.
为了维护方便，过流保护一般都采用有自动恢复功能的保护器。
In order to maintain convenient, over-current protection is generally used with automatic recovery of the protector.
通过对变频器过流及过载原因的分析，提出了解决的综合方案。
The cause and analysis for overcurrent and overload produced by an inverter are made and comprehensive scheme to be solved is proposed.
分析了并联电容器组过压、过流、过热故障的原因及防范措施。
This paper studies the reason of over voltage, over current, over hot fault of capacitor group and measure to prevent from faults.
③相等平均隙宽条件下的粗糙裂隙比光滑裂隙的过流能力小得多。
The fluid passing ability for coarse fractures is smaller than the smooth fractures on the same conditions.
本研究利用边界元法求解了悬板分层式引水渠首的悬板区过流问题。
Boundary element method to calculate the free surface flow over the plate region of the hanged-plate two storied intake work is presented in this paper.
在开关电源的输出级，分析了引入过流保护和非连续工作模式的原因。
At the output stage, the reason for introducing over-current-protection (OCP) and discontinuous inductor current mode (DICM) is shown.
那么紧急停车的原因是什么呢？超压、过流、超温、振动都可能引起。
Now, what are the causes of an emergency shut-down? They may be caused by excessive pressure, flow, temperature and vibration.
径流集中导致过流断面土体发生剪切破坏，形成明显的水路和侵蚀细沟。
The concentrated runoff has caused shearing damage of flowing section soil and forming remarkable waterways and rill erosion.
通过对试验数据的回归分析，得到了细沟过流湿周同流量及坡度的经验关系。
According to the results, an empirical relationship of the rill wetted perimeter with the flow discharge and the slope gradient is obtained by the regression analysis.
常用的保护环节有短路、过流、过载、过压、失压、弱磁、超速和极限保护等。
The commonly used protection link has the short circuit, the overflow, the overload, has pressed, loses presses, the weak magnetism, overspeed and the limit protection and so on.
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.
梯形渠道以其过流能力大、输沙能力强、施工简便的特点，已经在灌区得到了广泛应用。
Trapezoidal channel with its over-current capacity, sediment transport capacity, construction of simple and commonly used features has been widely used in irrigation.
泄洪洞抗冲耐磨混凝土施工及质量控制的成功，为减小泄洪洞过流面空蚀和抗冲耐磨提供了保障。
The successful concrete construction and quality control provides guarantees on reducing surface cavitation and increasing abrasion-resistance capacity.
而叶轮作为混输泵的核心过流部件之一，对泵的性能有着很大的影响，对它进行研究，更有着重要的意义。
The impeller, as one of the most important component in the pump, has significant influence on the performance of the pump, so the research of it has high significance.
该系统解决了电动机启动中电流过大的问题，并且实现电动机的过压、过流、欠压等各种故障的数字显示。
The device can solve the problem of over current in electromotor start up process, and has the digital displaying of fault such as under voltage, over voltage and over current, etc.
该系统解决了电动机启动中电流过大的问题，并且实现电动机的过压、过流、欠压等各种故障的数字显示。
The device can solve the problem of over current in electromotor start up process, and has the digital displaying of fault such as under voltage, over voltage and over current, etc.
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