revolving-drum hopper

例句：

1. 1. The revolving drum hopper is used to store and transfer materials efficiently.
   旋转鼓式料斗用于高效地存储和转移材料。
2. 2. The engineer designed the revolving drum hopper to improve material handling efficiency.
   工程师设计了旋转鼓式料斗，以提高物料处理效率。
3. 3. The revolving drum hopper was a significant improvement over its predecessors in terms of speed and accuracy.
   旋转鼓式料斗在速度和准确性方面比其前身有显著改进。