flow regulating

例句：

1. 1. The system isdesigned to regulate the flow of water throughthe pipes.
   这个系统设计用来通过管道调节水流。
2. 2. The regulator is used to maintain aconsistent flow rate in the pipeline.
   调节器用于保持管道中的恒定流速。
3. 3. The engineer mustensure that the flow rate is within safelimits to prevent accidents.
   工程师必须确保流速在安全范围内，以防止事故。