helical flow 螺线流 ; 螺旋流
helical flow turbine [机] 螺旋流式涡轮
Flow in rotating helical pipe 旋转螺旋管道内粘性流动
helical flow field 螺旋流场
laminar helical flow 层流螺旋流流动
helical-flow cooling 螺旋流动冷却
Helical Flow Meters 螺旋流量计
The Gorlov Helical Turbine, as it is known, allows you to use any stream, whatever the direction of its flow.
这个名为佐罗夫螺旋涡轮机的设备可以利用任何水流，不管流向如何。
Adopting helical flow displacement theory can overcome the disadvantage and greatly improve the displacement efficiency.
使用螺旋流顶替理论能克服这一缺点，大大改善顶替效率。
The swirl ratio and flow coefficient can be obtained through the traditional steady flow test in diesel helical intake port.
对某柴油机螺旋进气道进行传统的气道稳流试验，得到了涡流比和流量系数。
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