隔音板

例句：

1. 1. The engineer designed a new type of soundproofing material to improve the noise reduction in the factory.
   工程师设计了一种新型的隔音材料，以改善工厂的噪音减少。
2. 2. The construction workers installed the soundproofing panels on the walls to block out the noise from outside.
   建筑工人在墙上安装了隔音板，以阻挡外界的噪音。
3. 3. The soundproofing panels are essential for maintaining a quiet environment during a conference.
   隔音板对于保持会议环境的安静至关重要。