Liquid Positive Displacement Flow Meter 液体容积式流量计
Gas Positive Displacement Flow Meter 气体容积式流量计
Positive displacement flow meter 容积式流量计 ; 正位移流量计
horizontal displacement flow 水平平推流
front wheel motor flow displacement 前轮马达油流排量
axial flow displacement 轴向流顶替
The characteristics of positive displacement flow meter are introduced, and the main factors for lectotype and the matters needing attention in the application are discussed.
介绍了容积式流量计的特点，探讨了选型的主要因素和应用的注意事项。
Drag onto the page. Right-click to set displacement, rotation, flow, and controls.
拖到绘图页上。右击可设置排量、旋转、流量和控制。
On the basis of seepage flow mechanics, the impact of displacement rate on enhance oil recovery efficiency in different types of reservoir was investigated.
从渗流力学的基本规律出发，对几种不同类型储层驱替速度对提高油气采收率的影响进行了理论探讨。
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