On line instruments, such as turbine meter, vortex meter and positive displacement meter are usually used for crude oil metering in oil fields.
计量分离器中常用涡轮流量计、涡街流量计或齿轮流量计等在线式仪表计量原油产量。
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。
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。
应用推荐