您要查找的是不是：
- Experimental study on anti-clogging performance of dental labyrinth flow passage of drip emitters 内镶片式齿型迷宫滴头抗堵塞试验研究
- labyrinth flow passage 迷宫流道
- A flow passage in a wind tunnel that decelerates a stream of gas or liquid from a high to a low velocity. 扩散道风洞中的气流变迁，将会调整度的气体或液体流降到低速
- In the present paper, the three-dimensional steady turbulent flow is simulated through the whole flow passage of the Kaplan turbine model after the experiment on the turbine. 本文在进行模型水轮机试验的基础上,完成了开敞式蜗壳轴流式模型水轮机的全流道三维定常湍流计算。
- The working principles of nozzles with plane and cylinder spiral flow passage respectively, are analyzed from the angle of hydrokinetics. 从流体动力学角度分析了平面螺旋流道型和圆柱螺旋流道型喷嘴的工作原理。
- The results show that a part of the flow passage of the valve seat is occupied by the cavity under the valve head, leading to a decrease of flow rate. 研究结果表明：阀碟下方的空穴区占据了阀座喉部通流面积的一部分，使得有效的通流面积减小，影响了阀门的通流能力；
- In the reconstruction of Changqiao Waterworks, an underground water abstractive flow passage was designed to replace the routine absorbing well. 在长桥水厂改造中,结合渠道输水,借鉴大型立式泵常用 的前池和流道形式,设计了埋地式吸水流道,代替常规吸水井。
- However, inlet, the first part of flow passage, works as a collector and guider.The flow field of inlet should be studied in detail. 进风口作为气体流动经过的第一个部件，起到了引流导流的作用，进口流场值得深入研究。
- By controlling the piston stroke and the resistance on flow Passage,the fluid lift height and the pump speed can be controlled,thereby ideal lifting effect can be achieved. 通过控制活塞行程及泵内流道阻力，从而控制泵举升液柱的高度和泵的运行速度，取得理想的举升效果。
- By using the casing pump,the maximum fluid lift height,actual fluid lift height,stroke of the pistonand the resistance on flow Passage should be determined. 应用套管泵时，应计算确定泵的最大举升液柱高度、实际举升液柱高度、活塞行程和流道阻力。
- Two type newly developed rotary valves for mine use are introduced.They are characterised by single or double cylinder valve cores which form a flow passage of U or O shape. 介绍了两种新研制的矿用旋转阀，两阀的特点是阀芯为单柱或双柱体，构成U或O形的过流通道，在全启至闭的整个调节范围内，通道形状保持不变而面积为线性变化。
- It is at least formed from several layers of oblique-type mellapak structured packing layer in which the medium flow passage with a certain obliqueness is respectively set. 所述的轴向导流的板波纹规整填料层的高度小于或等于相邻层的斜型板波纹规整填料层高度；
- Through analysis on the geometry of electronic expansion valve (EEV) flow passage, the working passage of EEV was simplified to a series of short nozzles. 摘要通过对膨胀阀内节流工作段几何结构的分析，将其简化为短喷嘴结构。
- The old building was a labyrinth of dark corridors. 那古老建筑是一座长廊纵横光线昏暗的迷宫。
- Rules to determine the clearance of die cavity, the length of flat portion of flow passage, and the way of supplying material to the inner ribs are formulated to guide the design of extrusion die. 为了保证挤出模设计的准确性，提出了口模内筋间隙的设计原则、内筋流道成型段长度的设计原则以及内筋供料方式的智能选择。
- The flow passage of intermediate-pressure cylinder, as well as the condenser and the vacuum extraction system had also been retrofitted in 2004, the safety and economic behavior of said unit being further enhanced. 2004年又对7号机中压缸通流部分及凝汽器、真空抽气系统进行了改造，机组的安全性及经济性均有了进一步提高。
- A labyrinth of rules and regulations. 错综复杂的规章和制度
- Numerical simulation of the steady cavitating turbulent flow in the whole flow passage of a Kaplan turbine has been carried out by using a full cavitation model and a mixture two-phase flow model. 摘要采用一种完整空化模型和一种混合流体两相流模型，对轴流式水轮机全流道内的定常空化湍流流动进行了数值模拟。
- In the technical retrofit of the flow passage for No. 1 and No. 2 units in Beijing Gaojing Cogeneration Power Plant, the cellular steam seal was applied to the low pressure flow passage. 摘要北京高井热电厂1、2号机组通流技术改造中，低压通流部分应用了蜂窝式汽封。
- Measurements of flow passage inside a rectangular turbine cascade with large turning angle while cooling-air injection upstream from three different rows at leading edge were performed. 摘要对具有前缘逆主流不同位置喷射冷气的大转折角气冷涡轮直叶栅进行了详细的流道内部测量。
