spacing board

例句：

1. 1. The engineer used a spacingboard to create the desired gap between therails.
   工程师使用一个间隔板来在轨道之间创建所需的间隙。
2. 2. The constructioncrew used spacing boards to reinforce thebeams during the installation process.
   施工团队使用间隔板加固梁，以便于安装过程。
3. 3. Thespacing board was designed tominimize vibration and noise in the building.
   该间隔板的设计旨在最小化建筑中的振动和噪音。