rotary drum scaler

例句：

1. 1.The rotary drum scaler is used to measure the distance between two points on a map.
   旋转鼓式测距仪用于测量地图上两点之间的距离。
2. 2. The rotary drum scaler was invented by a scientist who wanted to improve the accuracy of his measurements.
   旋转鼓式测距仪是由一位科学家发明的，他想要提高他的测量准确性。
3. 3. The rotary drum scaler is widely used in surveying and mapping industries.
   旋转鼓式测距仪在测量和制图行业中广泛使用。