terrain clearance altimeter

例句：

1. 1. Theterrain clearance altimeter was used tomeasure the elevation of the mountain.
   地形清除高度计被用来测量山的高度。
2. 2. Theengineer used the terrain clearance altimeterto determine the optimal route for the constructionproject.
   工程师使用地形清除高度计来确定施工项目的最优路线。
3. 3. The terrain clearance altimeter helped the team to accurately mapout the terrain before starting the construction.
   地形清除高度计帮助团队在开始建设之前准确地绘制地形图。