汇流器

例句：

1. 1. The engineer used a hydraulic valve to control the flow of water.
   工程师使用液压阀来控制水流。
2. 2. The power plant uses a series of filters to remove impurities from the water before it reaches theconsumers.
   发电厂使用一系列过滤器，在水到达消费者之前去除杂质。
3. 3.The scientist designed a device that could merge different frequencies into one signal.
   科学家设计了一种设备，可以将不同的频率合并成一个信号。