self-recording flow meter

例句：

1. 1. The self-recording flowmeter is used to measure the amount ofwater flowing through a pipe.
   自记式流量计用于测量通过管道的水量。
2. 2. The self-recording flow meter is animportant tool for monitoring water usage in industrialplants.
   自记式流量计是工业工厂监测用水的重要工具。
3. 3. The self-recordingflow meter can provide accurate readingseven when the flow rate is low.
   自记式流量计即使在流量较低的情况下也能提供准确的读数。