mountain barograph

例句：

1. 1. The mountain barograph was used to measure the air pressure at different elevations.
   山脉气压计被用来测量不同海拔处的气压。
2. 2. The mountain barograph provided valuable data for climate research.
   山脉气压计为气候研究提供了宝贵的数据。
3. 3. The mountain barograph was a critical tool in the early days of meteorology.
   山脉气压计是气象学早期的重要工具。