溢洪道

例句：

1. 1. The river's flow is controlled by an overflow channel to prevent flooding.
   河流的流量通过溢洪道来控制，以防止洪水。
2. 2. The engineers designed the flood control channel to divert the water during a flood event.
   工程师们设计了洪水控制渠道，以便在洪水事件期间引导水流。
3. 3. The overflow channel was built to accommodate the increased flow from the nearby reservoir.
   溢洪道被建造来容纳附近水库增加的流量。