For example, acoustical tile on a ceiling serves to reduce the propagation of sound.

比如，顶棚上安装吸音板就有助于减少声音的传播。

youdao

For example, acoustical tile on a ceiling serves to reduce the propagation of sound.

比如，顶棚上安装吸音板就有助于减少声音的传播。

youdao