double-clad board

例句：

1. 1. The engineer designed a double-clad board to support the weight of the heavy equipment.
   工程师设计了一块双层覆盖板来支撑重型设备的重压。
2. 2.The construction workers used double-clad boards to reinforce the walls of the building.
   建筑工人使用双层覆盖板加固建筑物的墙壁。
3. 3. The double-clad board was installed in the ceiling to improve acoustics in the room.
   在天花板上安装了双层覆盖板，以改善房间的声学效果。