dew-point recorder

例句：

1. 1.We used a dew-point recorder to monitor the humidity levels in our greenhouse.
   我们使用露点记录仪来监测温室内的湿度水平。
2. 2. The dew-point recorder was crucial for monitoring the temperature fluctuations in the forest.
   露点记录仪对于监测森林中的温度波动至关重要。
3. 3.The farmer used a dew-point recorder to ensure that his crops were properly watered.
   农民使用露点记录仪来确保他的作物得到适当的浇水。