pendulum-action spreader

例句：

1. 1. The pendulum-action spreader is designed to distribute the weight evenly across the floor.
   摆锤式动作扩散器设计用来均匀地将重量分布在地板上。
2. 2. The pendulum-action spreader was used to measure the distance between two points on the floor.
   摆锤式动作扩散器被用来测量地板上两点之间的距离。
3. 3. The pendulum-action spreader is an essential tool for any home improvement project.
   摆锤式动作扩散器是任何家庭改善项目必备的工具。