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Flow coefficient is an important index for productivity evaluation. 流动系数是评价产能的一个重要指标。
The flow coefficient (Cv) listed in the tables apply to fully open valves only. 表中所列流量系数仅适用于全开状态下的阀门。
Optional use of flow coefficient and head coefficient instead of volumetric flow rates and heads. 提供了除容积流率、压头外的流动系数和压头系数。
The influence of flow coefficient changes on ZH1105 diesel engine is studied in this paper. 摘要研究了喷油嘴流量系数变化对单缸直喷柴油机性能的影响。
In addition, the interlayer interference coefficient can be estimated by calculating flow coefficient variation in single wells. 此外，通过计算单井的流动系数变异程度，可以估算层间干扰系数的大小。
The flow coefficient of the device is equal to that of a standard sprinkler (DN15) (The flow coefficient of the standard sprinkler K=80). 此装置的流量系数为一个标准喷头（DN15）的流量系数相等（标准喷头流量系数K=80）。
The air port performance (swirl intensity and flow coefficient) has an important effect on power, economy and emission of the agriculture engine. 农用柴油机进气道气体流动性能(涡流强度、流量系数)对农用发动机的动力性、经济性和排放有重要影响。
The differential pressure across the pressure test points is measured and the flow rate calculated using the calibrated chart or Flow coefficient table. 测量经过压力测试点的压差,并利用标准化图表或流量系数表计算流动速率。
Two concepts respectively called loss rate of flow coefficient and loss rate of angular momentum were presented to analyze the interference of intake flow through two inlet ports. 为了分析相邻气道的进气气流在缸内干涉的程度及其对缸内涡流运动的影响，提出了流量系数损失率和角动量矩损失率的概念。
The influence of wellbore storage, skin factor, interporosity flow coefficient and elastic storativity ratio to the bottom hole pressure of the observation well were analyzed. 分析了井筒储存、表皮系数、窜流系数以及弹性储容比对观测井井底压力的影响。
Using the predic tion software of the fire smoke flow properties in the building, the effect of the flow coefficient on the fire smoke flow was also studied. 同时，运用建筑物火灾烟气流动性状预测计算软件，分析了门窗开度及流量系数对火灾烟流的影响。
The relevance functions between total pressure recover coefficient and the parameters( Mach number, angle of attack, flow coefficient, angle of sideslip) for subsonic submerged inlet in turbojet and turbofan engine were investigated. 摘要根据某埋入式进气道试验数据建立了计算埋入式亚声速进气道总压恢复系数的经验公式，表现为关于马赫数、量系数、角、滑角的函数。
The relevance functions between total pressure recover coefficient and the parameters (Mach number, angle of attack, flow coefficient, angle of sideslip) for subsonic submerged inlet in turbojet and turbofan engine were investigated. 摘要根据某埋入式进气道试验数据建立了计算埋入式亚声速进气道总压恢复系数的经验公式，表现为关于马赫数、流量系数、攻角、侧滑角的函数。
By applying black box theory inlet pressure, inlet subcooling, outlet pressure and valve opening are selected as influence factors to flow coefficient of electronic expansion valve (EEV). 根据黑箱理论提出将阀前压力、阀前过冷度、阀后压力和膨胀阀流通面积作为膨胀阀流量系数的影响参数。
It has many advantages such as high flow coefficient, Electric control accurate fuel supply, Compress Ratio and thermal efficiency, so it could obtain higher power, better fuel economy and emission. 它具有高充气效率、电子控制精确配油、提高发动机的压缩比和热效率等优点，以获得更高的功率、更经济的油耗、更清洁的排放。
Under fully developed turbulent flow, the flow coefficient of compressible gas is constant, and that of incompressible gas is smaller than the truth, the error is relative only with pressure ratio. 充分发展时，可压缩气体的流量系数恒定不变，不可压缩气体的流量系数比真实值偏小，误差大小只与压力比有关，并随着压力比的增大而增大。
By similarity analysis method, using Reynold Number (Re) as the reference parameters, the performance characteristic of the centrifugal oil pump changing with the flow coefficient was analyzed. 使用相似分析方法，以雷诺数为准则数，考察了离心油泵在不同流量系数下的性能变化规律。
I bought to that book from flowing pedlar there. 我从流动小贩那里买到了那本书。
Flow coefficients at other than fully open may be approximated by use of the characteristic flow curves for tilting disc check and globe valves. 不是全开状态的流量系数可以采用适用于提升式阀瓣止回阀和截止阀的流量特性曲线进行估算。
Butterfly valves because of their high flow coefficients and resilient seats are virtually self-cleaning and are less susceptible to failure due to trash material in the line. 由于蝶阀具有很高的六体系数和性能很好的弹性阀座，因此蝶阀具有自动清洗功能，降低了管道被拉鸡杂物堵塞的可能性。