height finder

例句：

1. 1. The engineer used a height finder to measure the building's height.
   工程师使用一个高度测量器来测量建筑物的高度。
2. 2. The height finder helped the builder determine the optimal height for the roof.
   高度测量器帮助建筑工人确定了屋顶的最佳高度。
3. 3. The height finder was an essential tool for astronauts during their space missions.
   高度测量器是宇航员在太空任务中必不可少的工具。