1. A soundproof hood for the computer printer 
   计算机打印机的隔音罩
2. (trademark) a type of fiberboard. 
   （商标名）纤维板中的一种。
3. Soundproof cork insulation; a layer of trapped air that serves as insulation. 
   隔音的软木材料；用于绝缘的密封空气层
4. To make soundproof by covering or packing with clay, mortar, sawdust, or felt. 
   用粘土、灰浆、锯末或毛毡覆盖或堆积以隔音
5. wallboard with a gypsum plaster core bounded to layers of paper or fiberboard; used instead of plaster or wallboard to make interior walls. 
   以石膏为核心，外面包一层厚纸板或纤维板的墙板；它用作内墙及天花板而无需涂灰泥。

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