防音板

例句：

1. 1. The engineer designed a special soundproofing board to reduce noise in the factory.
   工程师设计了一种特殊的隔音板来减少工厂的噪音。
2. 2. The construction workers used sound deadening boards to improve the acoustics of the room.
   建筑工人使用隔音板来改善房间的声学效果。
3. 3. The new office building has been equipped with soundproofing boards to ensure privacy for employees.
   新办公楼配备了隔音板，以确保员工隐私。