ice fathometer

例句：

1. 1.The ice fathometer was used to measure the depth of the glacier.
   冰测深仪被用来测量冰川的深度。
2. 2. The ice fathometer helped scientists to study the movement of glaciers.
   冰测深仪帮助科学家研究冰川的运动。
3. 3.The ice fathometer was a critical tool for mapping the terrain during the winter season.
   冰测深仪是冬季地形测绘的关键工具。