multiple-vane diffuser

例句：

1. 1. The multiple-vane diffuser is designedto improve airflow in the room.
   这种多叶片扩散器设计用来改善房间内的气流。
2. 2. The new model of the multiple-vane diffuser has a sleeker design.
   新款的多叶片扩散器设计更加简洁。
3. 3. The multiple-vanediffuser is an effective way to reducenoise in a noisy environment.
   多叶片扩散器是一种有效的减少嘈杂环境中噪音的方法。