介绍了热量表采用的电磁式、超声波式、机械式流量计的技术特点。
The technical characteristics of electromagnetic, ultrasonic and mechanical flowmeters used in heat meters are introduced.
介绍了热量表采用的电磁式、超声波式、机械式流量计的技术特点。
The technical characteristics of electromagnetic, ultrasonic and mechanical flowmeters used in heat meters are introduced.
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