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。
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