河川水位自动记录器

例句：

1. 1.The river water level automatic recorder is used to monitor the water level of the river.
   河流水位自动记录仪用于监测河流的水位。
2. 2. The river water level automatic recorder helps us understand the changes in the river's water level over time.
   河流水位自动记录仪帮助我们了解河流水位随时间的变化。
3. 3. The river water level automatic recorder is a crucial tool for flood control and emergency response.
   河流水位自动记录仪是洪水控制和紧急响应的关键工具。