combination flow regulator

例句：

1. 1.The combination flow regulator is designed to precisely control the flow of fluids.
   组合式流量调节器旨在精确控制流体的流量。
2. 2.The engineer installed the combination flow regulator in the pipeline to improve efficiency.
   工程师在管道中安装了组合式流量调节器，以提高效率。
3. 3.The combination flow regulator was used to monitor the water level in the reservoir.
   组合式流量调节器被用来监测水库中的水位。