regulating gate

例句：

1. 1.The engineer used a regulating gate to control the flow of water.
   工程师使用调节门来控制水流。
2. 2. The farmer adjusted the regulating gate to increase the yield.
   农民调整了调节门以增加产量。
3. 3.The scientist tested the regulating gate to ensure its effectiveness.
   科学家测试了调节门以确保其有效性。