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1·For the whole water, the special movement is the spiral flow.

就水流的整体而言，呈螺旋流运动。

2·The structures and forming principles of the cylindrical spiral flow field of a dynamic hydro-cyclone were briefly described.

对动态水力旋流器圆管螺旋流场结构及形成原理作了简要描述。

3·The theoretical distributions of the cylindrical spiral flow were simulated and calculated using the straight cylindrical model.

同时利用直圆管柱模型，模拟计算出了圆管螺旋流的理论分布结果。

4·The structure parameters and resistance characteristics of spiral pipe flow generator which generates spiral flow in circle pipe were analyzed and investigated.

对用于产生螺旋管流的圆管螺旋流起旋器的结构参数进行了分析，并对其阻力特性进行了理论分析和试验研究。

5·The spiral flow in the horizontal pipe can generate the spiral flow to transport sediment according to the way of equipping the guide blade in the middle of the pipe.

前两种排沙方式已经广泛应用于工程实践中，平轴螺旋管流排沙是近年提出的一种节能、高效的输沙方式，目前还处于试验研究阶段。

6·This paper considers numerical simulation of the threedimensional radial flow for the fluid around the desiltor, then the circular flow is added in order to generate the spiral flow.

本文对旋流排淤器周围流体的流动进行了数学模拟，应用有限元方法计算出其周围的流速场和压力场。

7·The paper advances the new technique of wet dust separation by spiral flow board separation technique based on the present situation of tail gas from Cement Vertical Furnance harnessing.

针对水泥立窑尾气治理现状，提出以旋流板分离技术为核心的湿式除尘新技术。

8·The flow field characteristics of vertical vortex with multi-circle spiral flow at hydraulic intakes are described by numerical simulation, experimental investigation, and theoretical equations.

为描述进水口前立轴旋涡多圈螺旋的流场特性，运用数值模拟、试验研究和理论公式3种方法。

9·Under the precondition of incompressible flow, fluid spiral motion in SK static mixer tube was resolved into axial beeline motion and circumferential rotation motion.

在流体不可压缩的假设前提下，将流体在SK型静态混合器中的螺旋形运动分解成轴向直线运动和环向旋转运动。

10·Around the dark core of an optical vortex, the energy flow carried by the light beam is like a spiral staircase, flowing in a clockwise or counterclockwise direction.

绕着光涡旋的黑暗中心，光束携带的能量流就像螺旋梯，沿着顺时针或者逆时针方向流动。