shifting board

例句：

1. 1.The engineer used a shifting board to adjust the angle of the machine.
   工程师使用一个可移动的板来调整机器的角度。
2. 2.The new software allows for easy shifting of data between different applications.
   新的软件允许数据在各个应用程序之间轻松切换。
3. 3. During the construction phase, the shifting board was used to level the ground.
   在施工阶段，活动板被用来平整地面。