porous sound absorbing material
常見例句
- Centrifugal glass cotton belongs to the porous sound-absorbing material, have good sound-absorbing performance.
離心玻璃棉屬于多孔吸聲材料，具有良好的吸聲性能。 - The buffering and sound-absorbing member attenuates entered sound waves by the squares (22) and absorbs sounds by the porous material (4).
該緩沖吸音部件通過該分格（22）使侵入的音波衰減，并通過該多孔質材（4）進行吸音。
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